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- A required privilege is not held by the client
A required privilege is not held by the client
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Challenge
When attempting to perform modification of the registry hive of a Domain Controller in a SureBackup Job, VDK encounters an error. You can successfully mount and modify the hive, but when you try to save it, the following error occurs:
<01> Info Execute VDK command: close * /F
<14> Info VDK close: Virtual Disk Driver for Windows version 4.0
<15> Info VDK close: Closing the image on the virtual disk 0...
<15> Info VDK close: Failed to dismount a partition.
<15> Info VDK close:
<15> Info VDK close: Access is denied.
<15> Info VDK close: The operation is forced to proceed
.....
<01> Error A required privilege is not held by the client (System.ComponentModel.Win32Exception)
<01> Error at Veeam.Backup.Common.Windows.CRegistry.SaveKey(IntPtr hKey, String lpFile, UInt32 flag)
<01> Error at Veeam.Backup.Common.Windows.CRegistryHiveLoadSession.SaveHive(String fileName)
<01> Error at Veeam.Backup.Common.Windows.CRegistryHiveLoadSession.FlushHive()
<01> Error at Veeam.Backup.SureBackup.Tools.CVmRegistryFile.Dispose()
<01> Info Execute VDK command: close * /F
<14> Info VDK close: Virtual Disk Driver for Windows version 4.0
<15> Info VDK close: Closing the image on the virtual disk 0...
<15> Info VDK close: Failed to dismount a partition.
<15> Info VDK close:
<15> Info VDK close: Access is denied.
<15> Info VDK close: The operation is forced to proceed
.....
<01> Error A required privilege is not held by the client (System.ComponentModel.Win32Exception)
<01> Error at Veeam.Backup.Common.Windows.CRegistry.SaveKey(IntPtr hKey, String lpFile, UInt32 flag)
<01> Error at Veeam.Backup.Common.Windows.CRegistryHiveLoadSession.SaveHive(String fileName)
<01> Error at Veeam.Backup.Common.Windows.CRegistryHiveLoadSession.FlushHive()
<01> Error at Veeam.Backup.SureBackup.Tools.CVmRegistryFile.Dispose()
Cause
The issue may be caused by lack of permissions for the service account, under which the Veeam Backup Service runs in the Local Security Policy.
Solution
To resolve the issue, see http://cboard.cprogramming.com/windows-programming/64100-regsavekeyex.html and
To call RegSaveKeyEx successfully, you need to assign the SE_BACKUP_NAME privilege.
You can check the privilege on your machine under Control Panel > Administrative Tools > Local Security Policy > Local Policies > User Rights Assignment > Back up files and directories.
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