WinRM Negotiate authentication error

I recieved the error message “WinRM Negotiate authentication error” on my home lab, workgroup based systems while testing the Windows 2012 R2 Server Manager connection to remote systems. See below:

winrm

If you’re looking at this post you may have done this to setup the connection:

  1. Add the server to Server Manager/All Servers
  2. Created the trust: set-item wsman:\localhost\client\trustedhosts -concatenate -force
  3. Added the managed as account with remote admin privileges

Solution:

Step 2 & 3, make sure you use the full servername including workgroup name. Then you will successfully be able to add the remote server in Server Manager for remote management. Here is an example:

Capture

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