Unable to open Exchange Management Shell , Exchange 2013 CU1 due to kerbores authontication failure

hi,

i have installed exchange 2013 cu1 , after not able open exchange management shell, exchange server has been installed on 2008 r2 sp1 ( not in virtual m/c ).

error message after opening management shell below.

++++++++++++++++++++++++++++++++++++++++++++

verbose: connecting exchg2013.lync15.com.
new-pssession : [exchg2013.lync15.com] connecting remote server exchg2013.lync15.com failed following
error message : winrm client cannot process request. winrm client tried use kerberos authentication
mechanism, destination computer (exchg2013.lync15.com:80) returned 'access denied' error. change the
configuration allow kerberos authentication mechanism used or specify 1 of authentication mechanisms
supported server. use kerberos, specify local computer name remote destination. verify that
client computer , destination computer joined domain. use basic, specify local computer name
remote destination, specify basic authentication , provide user name , password. possible authentication
mechanisms reported server: more information, see about_remote_troubleshooting topic.
@ line:1 char:1
+ new-pssession -connectionuri "$connectionuri" -configurationname microsoft.excha ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + categoryinfo          : openerror: (system.manageme....remoterunspace:remoterunspace) [new-pssession], psremotin
   gtransportexception
    + fullyqualifiederrorid : accessdenied,pssessionopenfailed
failed connect exchange server in current site.
enter server fqdn want connect.:

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++

i tried 

  "$session = new-pssession -configurationname microsoft.exchange -connectionuri http://server-ex10/powershell/ -authentication kerberos -credential $cred"  , didnot work.

please share ideas if have any....

  regards,

_subba rao ch.

reinstall cu.

ondrej.

Windows Server  >  Security