Return
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Title
The WinRM client received an HTTP bad request status (400), but the remote service did not include any other information about the cause of the failure -
Description
Error in the EMWPFTA.log file:
PowerShellCmdExec::Init Error -2144108175 Connecting to remote server failed with the following error message : The WinRM client received an HTTP bad request status (400), but the remote service did not include any other information about the cause of the failure. For more information, see the about_Remote_Troubleshooting Help topic.
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Cause
Incorrect authentication settings -
Resolution
To resolve the issue:
Check Windows Authentication on the Exchange server as follows:1) Check that Windows Authentication is enabled on Exchange PowerShell virtual directory:- Start Exchange management Shell and run the following command:get-powershellvirtualdirectory -server | fl2) If WindowsAuthentication appears as false, switch WindowsAuthentication to true:get-powershellvirtualdirectory -server | set-PowerShellVirtualDirectory -WindowsAuthentication $trueCheck order of authenticationThere can be issues with the order of Authentication in the Powershell website. Ensure NTLM is first in order of Authentication for the Powershell website via the following:1) Open a command prompt and run: inetmgr.2) Expand your Website.3) Click on Powershell.4) In the view, select Group by: Area.5) Under the IIS Section, double click Authentication.6) Right-click Windows Authentication.7) Select Providers...8) Ensure NTLM is above Negotiate and Negotiate: Kerberos.