Volume Shadow Copy Service error: Unexpected error calling routine RegOpenKeyExW(-2147483646,SYSTEM\CurrentControlSet\Services\VSS\Diag,…). hr = 0x80070005, Access is denied.

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If you have this error you probably installed DHCP server role on your server. Very detailed explanation and solution you can find on Microsoft link https://support.microsoft.com/en-us/kb/2298620 It is the same for Windows Server 2012/2012 R2 version.

If you want to keep things simple all you need to do is add Network Service account on this registry key HKLM\System\CurrentControlSet\Services\VSS\Diag . After you give it full permission this error will be gone.

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3 thoughts on “Volume Shadow Copy Service error: Unexpected error calling routine RegOpenKeyExW(-2147483646,SYSTEM\CurrentControlSet\Services\VSS\Diag,…). hr = 0x80070005, Access is denied.

    • If you dont see this error in Event log after some time it is fine. If you want to see it again just take network service full permission in the same registry key. This error ususaly happens on DC with DHCP installed. I hope I helped. Just ask. If I have an answer I will post it

  1. Pingback: Volume Shadow Copy Service error: Unexpected error calling routine RegOpenKeyExW(-2147483646,SYSTEMCurrentControlSetServicesVSSDiag,…). hr = 0x80070005, Access is denied. | talubu

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