Windows 2008 EventID 513

For a few days now I was getting error with id 513 on my Windows 2008 Domain Controller.

The error had the following details:

Cryptographic Services failed while processing the OnIdentity() call in the System Writer Object.

Details:
AddCoreCsiFiles : BeginFileEnumeration() failed.

System Error:
Access is denied.

I searched for the System VSS writer and it was missing.

In that case you might be having problems with the permissions on the winsxs folder under the windows folder.

You may run the following commands to rough check:
cd /d c:\windows\system32
icacls %windir%\winsxs\filemaps\* > C:\acls.txt

In case the above command fails, you may run the following script in order to restore the necessary permissions:

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)"
icacls %windir%\winsxs\filemaps /grant "Administratoren:(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)"
icacls %windir%\winsxs\filemaps\*.* /grant "Administrators:(RX)"
Takeown /f %windir%\winsxs\temp\PendingRenames /a
icacls %windir%\winsxs\temp\PendingRenames /grant "Administrators:(RX)"
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\temp\PendingRenames\*.* /a
icacls %windir%\winsxs\temp\PendingRenames\*.* /grant "Administrators:(RX)"
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)"

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