{"id":8934,"date":"2019-04-30T06:28:15","date_gmt":"2019-04-30T06:28:15","guid":{"rendered":"http:\/\/198.58.113.91\/blog\/?p=8934"},"modified":"2026-02-27T21:25:02","modified_gmt":"2026-02-27T15:55:02","slug":"you-cannot-shrink-volume-beyond-point-disk-mgmt","status":"publish","type":"post","link":"https:\/\/www.winhelponline.com\/blog\/you-cannot-shrink-volume-beyond-point-disk-mgmt\/","title":{"rendered":"[Fix] &#8220;Cannot shrink a volume beyond the point&#8221; when Resizing a Partition Using Disk Management"},"content":{"rendered":"<p>When you use the Disk Management console to shrink the volume in which the Operation System is installed, you&#8217;re unable to choose a value (to shrink) beyond a limit. In the shrink volume dialog, the following message is displayed:<\/p>\n<pre class=\"err\">You cannot shrink a volume beyond the point where any unmovable files are located. See the \"defrag\" event in the Application log for detailed information about the operation when it has completed.<\/pre>\n<p>If you use the diskpart&#8217;s &#8220;shrink desired&#8221; command-line to shrink the partition via Command Prompt, the following error may be shown even though the partition has ample disk space:<\/p>\n<pre class=\"err\">Virtual Disk Service error:\r\nThe specified shrink size is too big and will cause the volume to be \r\nsmaller than the minimum volume size.<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/diskpart-shrink-error.png\" alt=\"diskpart shrink volume error\" width=\"750\" height=\"349\" class=\"alignnone size-full wp-image-75459\" \/><\/p>\n<p>When you look at the Application event log, Event ID: 259 &#8220;<strong>defrag&#8221;<\/strong> event may show something this:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8936\" src=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/cannot-shrink-volume-2.png\" alt=\"You cannot shrink a volume beyond the point\" width=\"837\" height=\"267\" srcset=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/cannot-shrink-volume-2.png 837w, https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/cannot-shrink-volume-2-768x245.png 768w\" sizes=\"auto, (max-width: 837px) 100vw, 837px\" \/><\/p>\n<p><strong>Event ID: 259 &#8211; Examples<\/strong><\/p>\n<pre>A volume shrink analysis was initiated on volume OS (C:). This event log entry details information about the last unmovable file that could limit the maximum number of reclaimable bytes.\r\n \r\n Diagnostic details:\r\n - The last unmovable file appears to be: \\pagefile.sys::$DATA\r\n - The last cluster of the file is: 0x749141f\r\n - Shrink potential target (LCN address): 0x9b6c2f\r\n - The NTFS file flags are: P---D\r\n - Shrink phase: \r\n \r\n To find more details about this file please use the \"fsutil volume querycluster \\\\?\\Volume{2eeff2ba-3c96-4389-a407-6461354e612a} 0x749141f\" command.\r\n<\/pre>\n<p>(or)<\/p>\n<pre>\r\nA volume shrink analysis was initiated on volume OS (C:). This event log entry details information about the last unmovable file that could limit the maximum number of reclaimable bytes.\r\n \r\n Diagnostic details:\r\n - The last unmovable file appears to be: \\System Volume Information\\{cead75c9-21e3-11ef-b9e4-cc96e535c78c}{3808876b-c176-4e48-b7ae-04046e6cc752}::$DATA\r\n - The last cluster of the file is: 0x189ac13\r\n - Shrink potential target (LCN address): 0x1231a79\r\n - The NTFS file flags are: ---AD\r\n - Shrink phase: <analysis>\r\n \r\n To find more details about this file please use the \"fsutil volume querycluster \\\\?\\Volume{73033618-7179-458a-b854-bf5c6244b858} 0x189ac13\" command.\r\n<\/pre>\n<p><strong>Event ID: 261 &#8211; Examples<\/strong><\/p>\n<pre>\r\nError: a file blocked volume shrink on volume (C:).\r\n \r\n Diagnostic details:\r\n - The last unmovable file appears to be: \\pagefile.sys::$DATA\r\n - The last cluster of the file is: 0x74488cb\r\n - Shrink potential target (LCN address): 0x743a7be\r\n - The NTFS file flags are: P---D\r\n - Shrink phase: <check>\r\n \r\n To find more details about this file please use the \"fsutil volume querycluster \\\\?\\Volume{2eeff2ba-3c96-4389-a407-6461354e612a} 0x749141f\" command.\r\n<\/pre>\n<pre>\r\nThe last unmovable file appears to be: \\$Extend\\$UsnJrnl:$J:$DATA\r\n - The last cluster of the file is: 0xe635f87\r\n - Shrink potential target (LCN address): 0xafd8c74\r\n - The NTFS file flags are: P---D\r\n - Shrink phase: <check>\r\n<\/pre>\n<p><strong>Event ID: 264 &#8211; Example<\/strong><\/p>\n<pre>The storage optimizer couldn't complete shrink on (C:) because: This shrink size specified is too big. (0x89000021)<\/pre>\n<p>(Go to the <a href=\"#solution\">Solution<\/a> directly.)<\/p>\n<h2>Cause<\/h2>\n<p>It&#8217;s usually <strong>pagefile.sys<\/strong> that prevents Disk Management from shrinking the volume beyond a point, as pagefile.sys is an unmovable file. Other unmovable files include <strong>hiberfil.sys<\/strong> hibernation file.<\/p>\n<div class=\"qt\">\n<p>There may be a large free space area before pagefile.sys and after it.\u00a0For example, the disk map for C: drive is such as the one below:<\/p>\n<pre>[50 GB occupied by data] | [50 GB free space] | [pagefile.sys (unmovable)] | [10 GB free space]<\/pre>\n<p>When you attempt to shrink the disk, only the 10 GB at the end of the partition will be shrunk, no matter how well your disk defragmenter has optimized the disk; It&#8217;s because the unmovable file (such as pagefile.sys) sits between the two separate free space blocks. You can&#8217;t decrease the allocated space beyond the point where the unmovable files are located.<\/p>\n<p>To avoid this issue, disable the paging file so that the free space will be be contiguous, for maximum shrinkage. Alternatively, boot into Windows RE, delete the hidden <code>pagefile.sys<\/code> from the OS partition, and shrink the volume <a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/storage\/disk-management\/shrink-a-basic-volume\" target=\"_blank\" rel=\"noopener\">using DiskPart<\/a>, which is very effective. For more information on shrinking a volume using DiskPart, see these articles:<\/p>\n<ul>\n<li><a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/storage\/disk-management\/shrink-a-basic-volume\" target=\"_blank\" rel=\"noopener\">Shrink a basic volume | Microsoft Learn<\/a><\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/administration\/windows-commands\/shrink\" target=\"_blank\" rel=\"noopener\">Diskpart&#8217;s &#8220;Shrink&#8221; directive | Microsoft Learn<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"qt\"><strong>The &#8220;System Volume Information&#8221; folder<\/strong><br \/>\nThe <strong><a href=\"https:\/\/www.winhelponline.com\/blog\/what-is-system-volume-information-can-i-delete\/\">System Volume Information<\/a><\/strong> folder used by the System Restore feature can prevent you from shrinking the drive beyond a point. In some systems, you&#8217;ll see this in the event log &#8212; &#8220;defrag&#8221; Event ID 259:<\/p>\n<div class=\"err\">The last unmovable file appears to be: \\System Volume Information\\{characters}{characters}::$DATA<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-46854\" src=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/shrink-volume-defrag-event.png\" alt=\"system volume information preventing shrink event log\" width=\"760\" height=\"335\" \/><\/p>\n<p>The unmovable shadow copy files in the SVI folder cause this issue. Deleting all the restore points\/shadow copies will resolve the issue.<\/p>\n<\/div>\n<div class=\"qt\">\n<p><strong>NTFS metadata<\/strong><\/p>\n<pre class=\"err\">The last unmovable file appears to be: \\$BitMap::$DATA<\/pre>\n<p><em>If the event log notifies you about the $BitMap::$DATA as the last unmovable file, you may try running <a href=\"https:\/\/docs.microsoft.com\/en-us\/sysinternals\/downloads\/contig\" target=\"_blank\" rel=\"noopener noreferrer\">Contig<\/a> (from Microsoft SysInternals) first before partitioning the volume using Disk Management. Alternately, you can use third-party software (e.g., AOMEI Partition Assistant Free) to partition the system drive to overcome the limitation of Microsoft technology.<\/em><\/p>\n<pre class=\"err\">The last unmovable file appears to be: \\$Extend\\$UsnJrnl<\/pre>\n<p>Scroll down and see <a href=\"#usnjrnl\">Defrag or Reset the UsnJrnl<\/a> in this article for the fix.\n<\/div>\n<p>This article tells you how to shrink your system partition to your preferred size.<\/p>\n<h2><a id=\"solution\"><\/a>Resolution<\/h2>\n<p>My Dell Vostro computer comes with a single partition. When I attempted to shrink the partition so that I can create a second partition out of the free or unallocated space, I could shrink the 940 GB drive only by 50% approximately. Here is the max possible shrink size the Disk Management dialog offered me:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8937\" src=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/cannot-shrink-volume-1.png\" alt=\"You cannot shrink a volume beyond the point\" width=\"779\" height=\"324\" srcset=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/cannot-shrink-volume-1.png 779w, https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/cannot-shrink-volume-1-768x319.png 768w\" sizes=\"auto, (max-width: 779px) 100vw, 779px\" \/><\/p>\n<p>The fix is to temporarily disable hibernation, the Paging file, as well as the System Restore feature. Once disabled these features, restart Windows and resize (shrink) the volume using Disk Management.<\/p>\n<h3>Disable System Restore<\/h3>\n<ol>\n<li>Launch <strong>systempropertiesprotection.exe<\/strong> from the Run dialog<\/li>\n<li>Select the system drive and click Configure<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8935\" src=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/disable-system-restore.png\" alt=\"You cannot shrink a volume beyond the point\" width=\"492\" height=\"248\" \/><\/li>\n<li>Click <strong>Disable system protection<\/strong>.<\/li>\n<li>Click &#8220;<strong>Delete<\/strong>&#8220;.<\/li>\n<li>Click <strong>Continue<\/strong> when you see the prompt:\n<pre><strong>System Protection<\/strong>\r\n\r\nYou will not be able to undo unwanted system changes on this drive. Are you sure you want to continue?\r\n\r\nThis will delete all restore points on this drive. This might include older system image backups.\r\n\r\n[Continue] [Cancel]<\/pre>\n<\/li>\n<li>click OK, OK to close the dialogs.<\/li>\n<\/ol>\n<p>This <a href=\"https:\/\/www.winhelponline.com\/blog\/create-restore-protection-point-rollback-windows\/\">turns off<\/a> System Restore and also erases all the <a href=\"https:\/\/www.winhelponline.com\/blog\/how-to-delete-system-restore-points-windows\/\">restore points<\/a>.<\/p>\n<h3>Disable the hibernation feature<\/h3>\n<ol>\n<li>Open <a href=\"https:\/\/www.winhelponline.com\/blog\/open-elevated-command-prompt-windows\/\">Command Prompt as administrator<\/a><\/li>\n<li>Run the following command:\n<pre>powercfg \/hibernate off<\/pre>\n<\/li>\n<\/ol>\n<p>This turns off the hibernate feature and clears the <strong>hiberfil.sys<\/strong> from the system drive.<\/p>\n<h3>Disable the Paging file<\/h3>\n<ol>\n<li>Launch <strong>systempropertiesadvanced.exe<\/strong> from the Run dialog.<\/li>\n<li>Under Performance, click Settings, click Advanced button<\/li>\n<li>Click the <strong>Change<\/strong> button.<\/li>\n<li>Uncheck <strong>Automatically manage paging file size for all drives<\/strong><\/li>\n<li>Select <strong>No paging file<\/strong>, and click <strong>Set<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8938\" src=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/disable-paging-file-windows.png\" alt=\"You cannot shrink a volume beyond the point\" width=\"396\" height=\"523\" \/><\/li>\n<li>Click OK.<\/li>\n<li>You&#8217;ll see the following warning message after you click OK.\n<p class=\"err\">If you disable the paging file or set the initial size to less than 200 megabytes and a system error occurs, Windows might not record details that could help identify the problem. Do you want to continue?<\/p>\n<p>Click <strong>Yes<\/strong> to continue.<\/li>\n<li>Restart Windows<\/li>\n<li>Open Disk Management and attempt to shrink the system volume. Now you should be able to shrink the drive to the required size as you want.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8939\" src=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/cannot-shrink-volume-3.png\" alt=\"You cannot shrink a volume beyond the point\" width=\"776\" height=\"616\" srcset=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/cannot-shrink-volume-3.png 776w, https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/cannot-shrink-volume-3-768x610.png 768w\" sizes=\"auto, (max-width: 776px) 100vw, 776px\" \/>After disabling paging, hibernation and System Restore, I&#8217;m now able to shrink the drive by 95% as seen in the above screenshot. The remaining 5% disk space is consumed by the OS, your personal data and other overheads. I could successfully partition the C: drive, reducing its size to 150 GB which is what I wanted.<\/li>\n<\/ol>\n<h3>Re-enable System Restore, Paging file and Hibernate features<\/h3>\n<p>After you shrink the volume, be sure to re-enable the Paging file and System Restore and Hibernate options by reversing the earlier steps.<\/p>\n<h3>Enable System Restore<\/h3>\n<ol>\n<li>Launch <strong>systempropertiesprotection.exe<\/strong> from the Run dialog<\/li>\n<li>Select the system drive and click <strong>Configure<\/strong><\/li>\n<li>Click <strong>Turn on system protection<\/strong>, click OK, OK.<\/li>\n<\/ol>\n<p>This <a href=\"https:\/\/www.winhelponline.com\/blog\/create-restore-protection-point-rollback-windows\/\">turns on<\/a> System Restore.<\/p>\n<h3>Enable Hibernation<\/h3>\n<ol>\n<li>Open Command Prompt <a href=\"https:\/\/www.winhelponline.com\/blog\/open-elevated-command-prompt-windows\/\">as administrator<\/a><\/li>\n<li>Run the following command:\n<pre>powercfg \/hibernate on<\/pre>\n<\/li>\n<\/ol>\n<p>This turns on the hibernate feature. As a side note, <a href=\"https:\/\/www.winhelponline.com\/blog\/disable-hibernation-without-disabling-fast-startup\/\">Fast Startup<\/a> depends upon the Hibernate feature to work.<\/p>\n<p><strong>Note:<\/strong> If you run the command from a normal (non-elevated) Command Prompt, you&#8217;ll see the error <strong><em>Unable to perform operation. An unexpected error (0x65b) has occurred: Function failed during execution<\/em><\/strong> when turning off\/on hibernation.<\/p>\n<h3>Enable the Paging file<\/h3>\n<ol>\n<li>Launch <strong>systempropertiesadvanced.exe<\/strong> from the Run dialog.<\/li>\n<li>Under Performance, click Settings, click Advanced button<\/li>\n<li>Click the <strong>Change<\/strong> button.<\/li>\n<li>Select the system drive, click <strong>System managed size<\/strong>, and click <strong>Set<br \/>\n<\/strong><\/li>\n<li>Enable <strong>Automatically manage paging file size for all drives<\/strong><\/li>\n<li>Click OK.<\/li>\n<li>Restart Windows<\/li>\n<\/ol>\n<h3><a id=\"usnjrnl\"><\/a>Defrag or Reset the UsnJrnl<\/h3>\n<p>Defragment the UsnJrnl using Contig.exe or rebuild the UsnJrnl if you see the following error in the Event log.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/usnjrnl-shrink-event-log.png\" alt=\"usnjrnl clear - shrink space\" width=\"750\" height=\"187\" class=\"alignnone size-full wp-image-78084\" \/><\/p>\n<pre class=\"err\">The last unmovable file appears to be: \\$Extend\\$UsnJrnl<\/pre>\n<ol>\n<li>Download Contig: <a href=\"https:\/\/learn.microsoft.com\/en-us\/sysinternals\/downloads\/contig\" target=\"_blank\">https:\/\/learn.microsoft.com\/en-us\/sysinternals\/downloads\/contig<\/a><\/li>\n<li>Move Contig.exe to a folder &#8212; e.g., C:\\Tools.<\/li>\n<li>Run this from admin Command Prompt:\n<p>For example, to defrag the UsnJrnl on Drive D, run:<\/p>\n<pre class=\"cmd\">C:\\Tools\\contig -v -s D:\\$Extend<\/pre>\n<\/li>\n<\/ol>\n<p>See if that increases the shrink space on volume D.<\/p>\n<p>If that doesn&#8217;t help, delete the UsnJrnl and rebuild it. To do so, run these commands:<\/p>\n<h4>Delete and rebuild UsnJrnl<\/h4>\n<pre class=\"cmd\">fsutil usn deletejournal \/d <drive-letter><\/pre>\n<p>Example:<\/p>\n<pre class=\"cmd\">\r\nfsutil usn deletejournal \/d d:\r\n\r\nfsutil usn queryjournal d:\r\n<\/pre>\n<p>From the official documentation &#8211; <a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/administration\/windows-commands\/fsutil-usn\" target=\"_blank\">fsutil usn | Microsoft Learn<\/a><\/p>\n<p>* * *<br \/>\n<em>Deleting or disabling an active change journal is very time consuming, because the system must access all the records in the master file table (MFT) and set the last USN attribute to 0 (zero). This process can take several minutes, and it can continue after the system restarts, if a restart is necessary. During this process, the change journal is not considered active, nor is it disabled. While the system is disabling the journal, it cannot be accessed, and all journal operations return errors. You should use extreme care when disabling an active journal, because it adversely affects other applications that are using the journal.<\/em><br \/>\n* * *<\/p>\n<p>So, restart the system after issuing the delete command. You may have to rebuild the index if Windows Search reports stale data.<\/p>\n<p>To <strong>rebuild<\/strong> the UsnJournal on the D drive after restarting Windows, run:<\/p>\n<pre class=\"cmd\">\r\nfsutil usn createjournal d:\r\n<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/2019\/04\/fsutil-usn-createjournal.png\" alt=\"fsutil createjournal deletejournal\" width=\"749\" height=\"429\" class=\"alignnone size-full wp-image-80355\" \/><\/p>\n<div class=\"rp\"><strong>RELATED:<\/strong> <a target=\"_blank\" href=\"https:\/\/learn.microsoft.com\/en-us\/answers\/questions\/3882355\/d-is-unshrinkable-past-10gb-due-to-usnjrnl-is-ther?page=2#answers\">D:\\ is unshrinkable past 10GB due to UsnJrnl. Is there any way to fix this? &#8211; Microsoft Q&#038;A<\/a><\/div>\n<p>Alternatively, you may try AOMEI or another third-party tool to shrink the partition.<\/p>\n<p>I hope this article helped you shrink your system volume as required.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When you use the Disk Management console to shrink the volume in which the Operation System is installed, you&#8217;re unable to choose a value (to shrink) beyond a limit. In the shrink volume dialog, the following message is displayed: You cannot shrink a volume beyond the point where any unmovable files are located. See the &#8230; <a title=\"[Fix] &#8220;Cannot shrink a volume beyond the point&#8221; when Resizing a Partition Using Disk Management\" class=\"read-more\" href=\"https:\/\/www.winhelponline.com\/blog\/you-cannot-shrink-volume-beyond-point-disk-mgmt\/\" aria-label=\"Read more about [Fix] &#8220;Cannot shrink a volume beyond the point&#8221; when Resizing a Partition Using Disk Management\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7],"tags":[965,865,191],"class_list":["post-8934","post","type-post","status-publish","format-standard","hentry","category-windows","tag-disk-management","tag-diskpart","tag-error-messages"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":76104,"url":"https:\/\/www.winhelponline.com\/blog\/windows-created-temporary-paging-file\/","url_meta":{"origin":8934,"position":0},"title":"Fix: &#8220;Windows created a temporary paging file&#8221; message at startup","author":"Ramesh","date":"July 26, 2024","format":false,"excerpt":"Sometimes, you may need to turn off the paging file on the OS partition for testing or when shrinking the C drive. After turning off the paging file (\"pagefile.sys\") on the OS partition and enabling it on another drive or partition, Windows keeps creating a temporary paging file on the\u2026","rel":"","context":"In &quot;Windows 10&quot;","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"disable pagefile.sys on os volume","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/07\/pagefileonosvolume-registry.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/07\/pagefileonosvolume-registry.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/07\/pagefileonosvolume-registry.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/07\/pagefileonosvolume-registry.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":57641,"url":"https:\/\/www.winhelponline.com\/blog\/mystery-drive-appears-system-properties\/","url_meta":{"origin":8934,"position":1},"title":"Mystery Drive appears in System Properties Protection tab","author":"Ramesh","date":"July 2, 2023","format":false,"excerpt":"When you open System Properties and click the System Protection tab to create a restore point, you may notice a mystery drive appearing with the volume GUID string (e.g., \\\\?\\Volume{a6810e9c-8234-4cd1...) instead of a drive letter. The drive may not appear in File Explorer. Cause The mystery drive that appears in\u2026","rel":"","context":"In &quot;Windows 10&quot;","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"unknown volume mystery drive in system restore tab","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/07\/system-protection-mystery-drive-1.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":74860,"url":"https:\/\/www.winhelponline.com\/blog\/create-move-efi-partition-windows\/","url_meta":{"origin":8934,"position":2},"title":"How to Move EFI System Partition to Another Drive in Windows 10 or 11","author":"Ramesh","date":"April 18, 2024","format":false,"excerpt":"The EFI partition is created automatically when you install Windows. However, after adding a second HDD\/SSD and installing Windows on that disk, you may realize that the EFI system partition remains on the old hard disk. You wonder how to move the EFI partition from the old hard drive to\u2026","rel":"","context":"In &quot;Windows 10&quot;","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"EFI boot partition on another disk","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/04\/move-efi-partition-os-drive.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/04\/move-efi-partition-os-drive.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/04\/move-efi-partition-os-drive.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/04\/move-efi-partition-os-drive.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":78048,"url":"https:\/\/www.winhelponline.com\/blog\/resize-winre-recovery-partition\/","url_meta":{"origin":8934,"position":3},"title":"How to Resize the Recovery Partition in Windows","author":"Ramesh","date":"March 6, 2025","format":false,"excerpt":"The Recovery partition stores Winre.wim, an image needed to boot into the Windows Recovery Environment (WinRE). If the recovery partition is small, the system might fail when servicing the Winre.wim image. For instance, you may encounter error 0x80070643 when installing WinRE security updates if the recovery partition is not big\u2026","rel":"","context":"In &quot;Utilities&quot;","block_context":{"text":"Utilities","link":"https:\/\/www.winhelponline.com\/blog\/category\/utilities\/"},"img":{"alt_text":"resize recovery partition using aomei","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2025\/03\/resize_winre_6-1.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2025\/03\/resize_winre_6-1.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2025\/03\/resize_winre_6-1.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2025\/03\/resize_winre_6-1.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":75476,"url":"https:\/\/www.winhelponline.com\/blog\/mbr2gpt-too-many-mbr-partitions\/","url_meta":{"origin":8934,"position":4},"title":"MBR2GPT | Too many MBR partitions found, no room to create EFI system partition","author":"Ramesh","date":"June 10, 2024","format":false,"excerpt":"When you convert your MBR disk to GPT using MBR2GPT, the error \"Too many MBR partitions found\" may occur. Here's the relevant info from the log: Error ValidateLayout: Too many MBR partitions found, no room to create EFI system partition. Error Disk layout validation failed for disk 2 This error\u2026","rel":"","context":"In &quot;Windows 10&quot;","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"mbr2gpt - too many MBR partitions","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/06\/diskmgmt-mbr2gpt-error.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/06\/diskmgmt-mbr2gpt-error.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/06\/diskmgmt-mbr2gpt-error.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/06\/diskmgmt-mbr2gpt-error.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/06\/diskmgmt-mbr2gpt-error.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":76008,"url":"https:\/\/www.winhelponline.com\/blog\/reagentc-exe-operation-failed-3\/","url_meta":{"origin":8934,"position":5},"title":"REAGENTC.EXE: Operation failed: 3","author":"Ramesh","date":"July 18, 2024","format":false,"excerpt":"When you attempt to enable Windows RE by running the reagentc \/enable command, the following error may be shown: REAGENTC.EXE: Operation failed: 3 REAGENTC.EXE: An error has occurred. When you attempt to create a USB recovery drive, the following error occurs: We can't create a recovery drive on this PC\u2026","rel":"","context":"In &quot;Windows 10&quot;","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"reagent error 3 - cannot create recovery drive","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/07\/cant-create-recovery-drive.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/07\/cant-create-recovery-drive.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2024\/07\/cant-create-recovery-drive.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/posts\/8934","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/comments?post=8934"}],"version-history":[{"count":0,"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/posts\/8934\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/media?parent=8934"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/categories?post=8934"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.winhelponline.com\/blog\/wp-json\/wp\/v2\/tags?post=8934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}