Looking through the Event Logs on a Windows Server 2012 R2 Hyper-V host I could see multiple entries for event IDs 17140 & 15030 as below
17140 – The specified account name is not valid: ‘%USER SID%’.
15030 – ‘%SERVER NAME%’ failed to modify settings. (Virtual machine ID %VM ID%)
These errors can occur if you’re using System Center Virtual Machine Manager (SCVMM). In the SCVMM console, open Settings -> Security -> User Roles. Right-click on each user role and choose Properties. Open the Members tab and look for the user SID you see in event ID 17140.
Highlight the SID and click Remove.
maybe you could help us. Since a few days we get exactly this error 17140 and 15030 on our HyperV 2012 R2 Environment and SCVMM2012R2. But the eventlog entry is:
The specified account name is not valid: ‘NT AUTHORITY\SYSTEM’.
i don’t think deleting the SYSTEM Account out of the SCVMM Administrators group is a good idea, but there is also no unknown account with a SID entry.
I ‘m facing the same issue on myHYPERV2012R2 CLUSTER and SCVMM2012R2 “The specified account name is not valid: ‘NT AUTHORITY\SYSTEM’.
Did you find out a solution ?