Hello
Thank you for your question and reaching out. I can understand you are having issues related to DPM backup.
To resolve this issue, follow the Microsoft KB Articles on this matter. We strongly recommend engaging Microsoft in resolving this issue. For your convenience, below are the commands that need to be executed from an elevated command prompt from Microsoft KB 2009272
Takeown /f %windir%\winsxs\temp\PendingRenames /a
icacls %windir%\winsxs\temp\PendingRenames /grant "NT AUTHORITY\SYSTEM:(RX)"
icacls %windir%\winsxs\temp\PendingRenames /grant "NT Service\trustedinstaller:(F)"
icacls %windir%\winsxs\temp\PendingRenames /grant BUILTIN\Users:(RX)
Takeown /f %windir%\winsxs\filemaps* /a
icacls %windir%\winsxs\filemaps*.* /grant "NT AUTHORITY\SYSTEM:(RX)"
icacls %windir%\winsxs\filemaps*.* /grant "NT Service\trustedinstaller:(F)"
icacls %windir%\winsxs\filemaps*.* /grant BUILTIN\Users:(RX)
net stop cryptsvc
net start cryptsvc
Reference :
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