How to Fix Error ID 10178 in Hyper-V VMMS

Cause of Hyper-V Error 10178

If you encountered a backup error in the Hyper-V VMMS event logs with ID 10178, it may show several related error messages, such as:

"Failed to fix-up absolute VHD paths in configuration of virtual machine 'Accounting': Account restrictions are preventing this user from signing in. For example: blank passwords aren't allowed, sign-in times are limited, or a policy restriction has been enforced. (0x8007052F"


"Detailed Error  : 800423F3.   Detailed Error Message : The writer experienced a transient error.  If the backup process is retried, the error may not reoccur"

or also a log on failure with “’General access denied error’ (0x80070005)”


The reason for this is that in Windows Server 2012 and later, Hyper-V creates an internal user group called “NT Virtual Machine\Virtual Machines” that is permitted to “log on as a service”; however, the group policy of the domain may override this permission. Without ‘log on as a service’ the VM may run but VSS won’t run properly inside the VM, which leads to the backup error.



First log on as a domain admin and install the feature “Group Policy Management” via the Server Manager screen. Then open the group policy snap-in and go to the policy for user rights.  The group NT Virtual Machine\Virtual Machines must be given ‘log on as a service’ rights.

Then run “gpupdate /force” on domain server and host server to update the policy settings.


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