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Powershell Add-PSSnapin VMWare.VimAutomation.Core issues

I've just updated from Powershell 4 and PowerCLI 4.* to Powershell 5 and PowerCLI 6.*. After updating, adding/using snapin VMWare.VimAutomation.Core isn't working:

PS C:\Users\Me> Add-PSSnapin VMWare.VimAutomation.Core
Add-PSSnapin : Unexpected error: A connection core service provider is already registered. Cannot register new one.

When trying to remove:

PS C:\Users\Me> Remove-PSSnapin VMWare.VimAutomation.Core
Remove-PSSnapin : No Windows PowerShell snap-ins matching the pattern 'VMWare.VimAutomation.Core' were found. 
Check the pattern and then try the command again.

From Get-PSSnapin -Registered, I get:

Name        : VMware.VimAutomation.Core
PSVersion   : 4.0
Description : This Windows PowerShell snap-in contains Windows PowerShell cmdlets for managing vSphere.
Solution

  • I uninstalled and reinstalled PowerCLI 6.3 and all was fixed. Get-PSSnapin -Registered now returns the following:

    Name        : VMware.VimAutomation.Core
PSVersion   : 5.0
Description : This Windows PowerShell snap-in contains Windows PowerShell cmdlets for managing vSphere.

    Also to note: VMware.VimAutomation.Core is both a module and a snapin in this version of PowerCLI.