• LDAP send queue limits cause event 2070 and 2084

    I recently worked on an issue where the domain controllers kept intentionally disconnecting the Exchange servers. The error messages that described the reason for the disconnect were rather misleading, and we ended up wasting quite a bit of time taking ...read more
  • Cleaning up Microsoft Exchange System Objects - part 2

    In a post last month, called Cleaning up Microsoft Exchange System Objects (MESO) , I described how to determine which objects can be eliminated from the MESO container if you have completely removed public folders from your environment. But what if you ...read more
  • Event 9414 means your OAB is missing objects

    Today, I want to highlight a behavior that isn't really called out anywhere in any existing documentation I can find. This is the behavior that occurs when Offline Address Book generation on Exchange 2010 logs an event 9414 , such as this one: ...read more
  • Mailbox lock contention in Exchange 2013

    We're seeing some cases where contention for the mailbox lock causes errors on Exchange 2013. In a post over on my new blog, I describe how to identify this situation: http://bill-long.com/2014/02/07/mailbox-lock-contention-in-exchange-2013/

  • Delegated setup fails in Exchange 2013

    In Exchange 2013, a member of Delegated Setup can't install Exchange if legacy administrative groups exist. I describe the problem over on my new blog, and provide a simple script to work around it:

    http://bill-long.com/2014/02/04/delegated-setup-fails-in-exchange-2013/