(The WSMan client cannot process the request) error when you run Hybrid Configuration wizard

Original KB number:   3067680


When you run the Hybrid Configuration wizard, you receive a The WSMan client cannot process the request. Proxy is not supported under HTTP transport error message. The full text of this message resembles the following:

ERROR:Updating hybrid configuration failed with error
'System.Management.Automation.Remoting.PSRemotingTransportException: Connecting to remote server failed with the following error message: The WSMan client cannot process the request. Proxy is not supported under HTTP transport. Change the transport to HTTPS and specify valid proxy information and try again. For more information, see the about_Remote_Troubleshooting Help topic.
at System.Management.Automation.Runspaces.AsyncResult.EndInvoke()
at System.Management.Automation.Runspaces.Internal.RunspacePoolInternal.EndOpen(IAsyncResult asyncResult)
at System.Management.Automation.Runspaces.RunspacePool.Open()
at System.Management.Automation.RemoteRunspace.Open()
at Microsoft.Exchange.Management.Hybrid.RemotePowershellSession.Connect(PSCredential credentials, CultureInfo sessionUiCulture)
at Microsoft.Exchange.Management.Hybrid.Engine.Execute(ILogger logger, String onPremPowershellHost, PSCredential onPremCredentials, PSCredential tenantCredentials, HybridConfiguration hybridConfiguration)
at Microsoft.Exchange.Management.SystemConfigurationTasks.UpdateHybridConfiguration.InternalProcessRecord()'.


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