Windows 2019 Hyper-V fails to send initial replica…

We’ve been having a very odd issue with new Windows 2019 server running Hyper-V in that some of them will fail to enable Replication for VMs. You get to the very end and and click the last button to start and the Replica VM is created on the other system and all the place holder files exist but then it errors with an message about not being able to send the initial replica. We’ve tried all kinds of suggestions on the web related to ACLs and firewall configuration but none of them worked. I found a solution though. If you make a Checkpoint of the system having issues and then delete the Checkpoint after its completed you can now enable Replication. It seems the issue resides on the system where the VM currently lives and not the location it’s going to and forcing a Checkpoint corrects whatever is going wrong during Replication configuration.

Test.VerifyDcPromoCore.DCPromo.General.103 WTF is 103…

We were working on migrating our Domain Controllers from Windows 2008 R2 to Windows 2019 and I got to the point where I was running the PowerShell “Test-ADDSDomainControllerInstallation -DomainName MyDomain.Name” command to test migration requirements. The process was kicking out an error for part of it with a context of Test.VerifyDcPromoCore.DCPromo.General.103 so I started the hunt for what that meant. Well both the Bings and Googs came back with no results at all for the exact search value. Plenty of other items with different numbers at the end but not specifically 103.

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GPO Loopback not working? Check your GPO Status

Grumble fuss, why isn’t my loopback GPO applying the user settings to systems? The GPO is in the right area, the scope WMI Filtering is correct, the loopback setting is set and to the right value, but it’s still not taking… Continue reading “GPO Loopback not working? Check your GPO Status” →