syedtaha used Ask the Experts™
After you have installed exchange 2010 with an exiting exchange 2003..  Everthing is running smooth.
but every week on a friday , you have clients who are complaning about being slow to connect to the mail, also
they get disconnected most of the time.   There is No network Issue at all or DNS issue?  what is IT that is casuing the issue in exchange 2010 to slow performance, connectvivty, disconnect one s a week?????
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Top Expert 2010
It might be their old outlook profiles looking for the old email server and then waiting for a redirect, have you configured auto discovery?

If so try deleting the outlook profile for one user and reconfiguring it using auto discover.

Justin CollinsIT Manager

On the server-Is there anything in Event Viewer?  Don't just check for errors, look through and see if anything starts and doesn't finish for a long time.   Are there any backups running?

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