Thank you for reply,
Yes after log in when user is clicking on inbox it will take so long time to, if we search then it will take long time if we move any email to other folder, if we open any mail then the performance is slow, same i have check after log in on server locally, but same problem have, we have inhouse server all user are accessing locally, we have 1Gbps LAN.
We have 1295 user on server.
Performance is very slow, user are tide up with it.
If you require remote access i can give,