Forum Discussion
Gr8BrittonBEA
Aug 16, 2022Copper Contributor
Maximum number of concurrent shells for the Remote Desktop Services plug-in has been exceeded
Server 2019 Standard (2 each) When opening Server Manager, it takes quite awhile to read the RDS servers and eventually comes back for the local server with the error: Maximum number of concurre...
robindevries
Sep 13, 2024Copper Contributor
Heyy yawwwl
I had this issue with my RDS Server. For me, i had recently disabled NTLM (Negotiate) Authentication in my WinRM to only allow safer Auths (mainly Kerberos).
This had lead to some things not working properly. Sadly, i now had to reenable it *very sad*
Won't you try the following:
You can check in powershell which authentications your winrm allows on the affected server. Use chatGPT to figure out how. Frankly, it's a whole process and too much to post here. Maybe you got the same issue?
Cheers
Beder