ADRMS protected e-mails not opening in Exchange 2010 SP2 OWA

Hi,

We are facing the issue with Exchange 2010 SP2 where adrms protected e-mail is not opening in OWA.

we ran test-IRmconfguration and below is the error we are getting..

Results : Checking Exchange Server ...
              - PASS: Exchange Server is running in Enterprise.
          Loading IRM configuration ...
              - PASS: IRM configuration loaded successfully.
          Retrieving RMS Certification Uri ...
              - PASS: RMS Certification Uri:https://adrms.xxxxxxxxxxxxx.com/_wmcs/certification.
          Verifying RMS version for https://adrms.xxxxxxxxxxxxx.com/_wmcs/certification ...
              - PASS: RMS Version verified successfully.
          Retrieving RMS Publishing Uri ...
              - PASS: RMS Publishing Uri:https://adrms.xxxxxxxxxxxxx.com/_wmcs/licensing.
          Acquiring Rights Account Certificate (RAC) and Client Licensor Certificate (CLC) ...
              - PASS: RAC and CLC acquired.
          Acquiring RMS Templates ...
              - PASS: RMS Templates acquired.
          Retrieving RMS Licensing Uri ...
              - PASS: RMS Licensing Uri:https://adrms.xxxxxxxxxxxxx.com/_wmcs/licensing.
          Verifying RMS version for https://adrms.xxxxxxxxxxxxx.com/_wmcs/licensing ...
              - PASS: RMS Version verified successfully.
          Creating Publishing License ...
              - PASS: Publishing License created.
          Acquiring Prelicense for 'Mathews.Jacob@shinsei-it.com' from RMS Licensing Uri (https://adrms.xxxxxxxxxxxxx.co.
          jp/_wmcs/licensing) ...
              - PASS: Prelicense acquired.
          Acquiring Use License from RMS Licensing Uri (https://adrms.xxxxxxxxxxxxx.com/_wmcs/licensing) ...
              - FAIL: Failed to acquire a use license. This failure may cause features such as Transport Decryption, Jo
          urnal Report Decryption, IRM in OWA, IRM in EAS and IRM Search to not work. Please make sure that the account
           "FederatedEmail.xxxxxxxxxxxxx" representing the Exchange Servers Group is granted sup
          er user privileges on the Active Directory Rights Management Services server. For detailed instructions, see
          "Add the Federated Delivery Mailbox to the AD RMS Super Users Group" athttp://go.microsoft.com/fwlink/?LinkI
          d=193400.

          OVERALL RESULT: FAIL

Also, in owa screen we are getting the below error.

The message you tried to open is protected with Information Rights Management. The RMS server isn't set up correctly. To resolve this problem, contact your helpdesk.

We have already followed the steps in the linkhttp://go.microsoft.com/fwlink/?LinkId=193400.