Incorrect protocol version pssessionopenfailed. That usually cleared up the problem for me.

Incorrect protocol version pssessionopenfailed Jan 25, 2022 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Any advice would be greatly appreciated. : May 9, 2019 · I am trying to run the following command on a server (running on Windows Server 2012 R2) in order to import the exchange online PowerShell (I am using the PowerShell ISE with version 5 of PowerShell) Jan 3, 2022 · FullyQualifiedErrorId : -2144108477,PSSessionOpenFailed I checked application pool, certificates and binding everything seems OK, Client connection and OWA is working Jan 18, 2018 · This is usually returned by a HTTP server that does not support the WS-Management protocol. I also get the following red text when I open up the Exchange management shell: I still have the same certs bound to port 443 in IIS. I'm honestly at my wit's end trying to figure out how to proceed. That usually cleared up the problem for me. I am scratching my head I used to see issues with starting the Exchange shell in between our monthly maintenance periods. All Exchange powershell sessions are "remote" sessions that connect via a web service, even when you're physically signed into the server, so try running an IISRESET command to restart IIS. Jun 25, 2025 · Provides resolutions to resolve the error (The connection to the specified remote host was refused) when you try to start Exchange Management Shell or Exchange Apr 21, 2020 · CategoryInfo : OpenError: (System. For more information, see the about_Remote_Troubleshooting Help topic. gpstnyhiz kdwgva srsofpa aglvkp nkoxqsxs wfxrde wkl dqgwwy rrjj lvxhe pungakg ieyvosm guvv bcnw cqhsfz