Hi,
We're having a problem using OWA after patching our Exchange 2010 servers from SP1 RU7 to SP2 RU6. The Exchange servers are running on Windows Server 2008 and are VMWare machines. We can log into OWA and can see the emails. But when we do anything (ie. open an email, create an email, etc.) we get the error message, "A problem occurred while you were trying to use your mailbox". This doesn't happen all the time for all users. Some users see it consistently. Others see it sometimes but pretty frequently. On the mailbox server there is a corresponding event logged in the Application log. It's a 9646 error. See below. Any ideas on how to resolve?
Thanks,
Jeff
Log Name: Application
Source: MSExchangeIS
Date: 8/28/2013 10:26:30 AM
Event ID: 9646
Task Category: General
Level: Error
Keywords: Classic
User: N/A
Computer: MailboxSvr.company.com
Description:
Mapi session "44da0bb7-e8d1-4a52-b15d-0c6ba7f276b3: /o=Company/ou=Loc/cn=Recipients/cn=user" exceeded the maximum of 16 objects of type "session".