cisco jabber error : '' Cannot communicate with server ''

[aslam.bajwa]

Hello all  ,

i am facing  error on jabber  '' Cannot communicate with server ''    could any one please advise . 

Please see the error attachement

[Jaime Valencia]

Have you checked all the basics??

DNS? SRVs?? FW?? ACLs?? Routing??

[aslam.bajwa]

  Dear Jaime Valencia ,

it was working fine  since last 2 month , where exactly i need to check and what  , to fix this issue .