Sorry yes, Windows Update.
You want to make sure that the integration components are always the same version as the host otherwise there can be problems with checkpoints (snapshots) taking VM's offline during the backup.
Can you check the job properties and see if Application GRT is enabled for SQL in the Hyper-V job (Under the Virtual machines section of the job properties)? If it is, try just unchecking that box. This should stop the Hyper-V job from processing t...
StatusDescriptions : {OK, The protocol version of the component installed in the virtual machine does not match the version expected by the hosting system}
I would start with getting the integration components ...
Are you getting an error or any sort of response? It helps when we know what is happening to be able to assist in problems.
Make sure you are running the script on the Hyper-V host in an Elevated (run as administrator) powershell session.
Just because I have to ask, did you power down the server while you were disconnecting and connecting the drive?
Normally that should update automatically when the services come back up from the server power on.