Exchange 2013 with 2008 R2, unable to connect ECP, OWA and powershell

Question

Hi,
Please find powershell error below.
"VERBOSE: Connecting to EXCHNIV.IVSGU.CHN.
New-PSSession : [exchniv.ivsgu.chn] Connecting to remote server exchniv.ivsgu.chn failed with the following error
message : The WinRM client received an HTTP server error status (500), 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.
At line:1 char:1
+ New-PSSession -ConnectionURI "$connectionUri" -ConfigurationName Microsoft.Excha ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : OpenError: (System.Manageme....RemoteRunspace:RemoteRunspace) [New-PSSession], PSRemotin
   gTransportException
    + FullyQualifiedErrorId : WinRMHttpError,PSSessionOpenFailed
Failed to connect to an Exchange server in the current site.
Enter the server FQDN where you want to connect.:"
OWA error below.
"500 - Internal server error.
There is a problem with the resource you are looking for, and it cannot be displayed."
Please help us with it.

Answer 1

Hi Hari
1) Just check if you have  Installed WinRM IIS Extension:
Server Manager | Features | Add Features | Win RM IIS Extension
2.  Check the Time sync between Exchange Server and your domain controller.
If you see any delay response between Exchange server and Domain Controller.
Run w32tm /resync
 If you running Exchange servers in Hyper-V Environment, Follow the below navigation,
Configure Kerberos Authentication
Start Internet Information Services (IIS) Manager.
In the Connections pane, expand Default Web Site, and then click PowerShell.
In the /PowerShell Home pane, double-click Modules.
Confirm that Kerbauth is a native module.
Confirm that the path of the Kerbauth.dll file is C:\Program Files\Microsoft\Exchange Server\v14\Bin\kerbauth.dll.
Verify that the Kerbauth module is registered but not enabled on the default Web site. To do this, follow these steps:
a.   Click the default Web site in the Connections pane, and then double-click Modules in the results pane.
b.  In the Actions pane, click Configure Native Modules.
c.   If Kerbauth is not listed in the Configure Native Modules dialog box, click Register. In the Register Native Module dialog box, type the name and path of the Kerbauth module, and then click OK.
d.  If Kerbauth is enabled, click to clear the Kerbauth check box.
e.   Click OK.
4.  Clear the SSL Require settings in IIS.
Start Internet Information Services (IIS) Manager.
In the Connections pane, expand Default Web Site, and then click PowerShell.
In the Results pane, double-click SSL Settings.
On the SSL Settings property page, click to clear the Require SSL check box.
In the Actions pane, click Apply
Try configuring kerberos Authentication
http://technet.microsoft.com/en-us/library/ff607221(v=EXCHG.80).aspx
Good Luck!!!
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(MVP)