Wednesday, August 6, 2014

Which Hyper-V Host is hosting this VM

Last night I was working on resolving a Veeam backup failure and needed to know which Hyper-V server was hosting the VM I was currently logged onto. As I do with everything server related alert I thought to myself -- hmm how can I retrieve this with PowerShell. The answer is simple, you just need to know where to look and in this case it was in the registry and I guarantee that running the below code in an Administrative PowerShell prompt is much more efficient than opening regedit and navigating to "HKLM:\SOFTWARE\Microsoft\Virtual Machine\Guest\Parameters". But to each their own, that is how some may prefer to gather their information...

Oh and one more thing; If the hostname returned is a mix of letters and numbers about 10 characters long its hosted in Azure.

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# Retieves $env:COMPUTERNAME's Hyper-V Host Server Name

Function Get-VMHostname

{

     (Get-Item "HKLM:\SOFTWARE\Microsoft\Virtual Machine\Guest\Parameters").GetValue("HostName")

}

Get-VMHostname

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