RD Web Access Was Not Able to Access Session Host

RD Web Access was not able to access <RD Session Host server name>. Verify that the RD Session Host server name was entered correctly, that the server is running and connected to the network, and then try again.

After a recent Windows update some WMI permissions for the default TS Web Access group. Some googling makes it seem like it’s a pretty common problem (seen here and here).

Most of the common suggestions on Google for automating this will involve VBScript and dumping out a binary value.

No thanks.

Some further research using some of the WMI class names got me to this script:

http://populole.wordpress.com/2013/04/15/a-scripted-wmi-security-fix/

I’m going to re-post it here because it’s incredibly valuable, but I did not have to make any changes to it.


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