How To Fix Failed to open the runspace pool. The Server manager WinRM plug-in might be corrupted or missing

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I recently ran into the error message “Failed to open the runspace pool. The Server manager WinRM plug-in might be corrupted or missing.” shortly after deploying a new Windows 2012 server. I was trying to add new features through the Server Manager wizard, and on the deployment scree, I would get this error. Luckily, the fix is quite simple.

Option #1:

From an Administrative Command Prompt, try running:

netsh http show iplist

If you only see your LAN IP Address, then your issue is that http.sys isn’t listening to your local loopback address (

To add your local loopback address, run this from an Administrative Command Prompt:

netsh http add iplisten

If you’re using IPv6, then you can run this command as well:

netsh http add iplisten ::1

After running these commands, you may need to restart your server.

Option #2:

If the first option doesn’t work, you can try to reset the WinRM/WSMAN registry keys back to their default. As of April 2017, these are the default keys for a Windows 2012 R2 server. Just save the code below to a .reg file and import it into your registry.

Windows Registry Editor Version 5.00








[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WSMAN\Plugin\Event Forwarding Plugin]

"ConfigXML"=" "

"ConfigXML"=" "


"ConfigXML"=" "

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WSMAN\Plugin\SEL Plugin]

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WSMAN\Plugin\WMI Provider]





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