I am running exchange 2003 on SBS 2003 and Windows XP SP2 on all workstations. Recently we are having connection issues with exchange server from outlook clients. A few clients cannot establish connections to the server, however this only occurs when many of the other clients are successfully connected to exchange. When I disconnect some of the existing sessions, then the clients that were not connecting connect successfully. Errors are also received in OWA when trying to connect whilst many other sessions are active, yet when some of the other sessions are disconnected, OWA works perfectly.
So it seems to me that we are reaching a maximum connection limit set up for exchange server, yet the connection limits set up for the protocols far exceed the number of active workstations. Our network is small (20 – 30 workstations). Can you please advise me on these protocol connection limits, and how they work? Or could it be another problem that is causing this? Donovan
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