hello everyone I get the following message frequently in my exchange server 2007 Mapi session "/o=abc xyz/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=MailboxName" exceeded the maximum of 32 objects of type "session". after this error messages next day the outlook of the user always shows him as disconnected. I try to connect the outlook manually to the exchange server but doesnt works. Can any one please explain the error message and the solution Thanks

Did you read this support article? It is an Exchange 2003 article but this probably works for Exchange 2007 too http://support.microsoft.com/kb/842022 Similar kind of article for Exchange 2007 but it explains that Exchange SP1 and higher have same settings http://support.microsoft.com/kb/925815 Deli

Thanks Deli

Hi Did either of these resolove the issue?? as I have it on one user from time to time, and only a reboot of the server seems to resolve it for a few weeks. Regards David

Hi Did either of these resolve the issue??

Yes. adding the registry and increasing the default limits solved the issue. Now i dont see any such error.

The error have apppeared once again with the same message in the logs

I think this may be down to the client.....in my issue, its just one user that seems to be the issue.....I am try to address the client machine and software, i.e., Outlook.....also this user is a blackberry user too.....not sure if this will casuse an issue too.

I think that microsoft have to release a patch for this issue. The solution that they have provided does not works.