This article applies to:
Windows Server 2012 R2
Exchange 2013 CU9
Exchange Hybrid Configuration Wizard
When you run the Exchange Hybrid Configuration Wizard, the following error message is reported:
Updating hybrid configuration failed with error ‘Microsoft.Exchange.Management.Hybrid.CouldNotCreateOnPremisSessionException: Could not create On-Premisses Session: Could not open Remote Powershell Runspace: Connecting to remote server failed with the following error message: The WSMan client cannot process the requests. Proxy is not supported under HTTP transport. Change the transport to HTTPS and specify a valid proxy information and try again.’
There is a proxy defined in Windows which causes PowerShell to switch the communication protocol from HTTP to HTTPS which causes a communication problem.
Remove the proxy configuraiton in Windows OS.
Use the following command to check if there is a proxy configured:
netsh winhttp show proxy
To remove the proxy configuration use:
netsh winhttp reset proxy
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