Dude where's my PFE?

Defeated by Unexpected Transaction Log File growth

Applies to Exchange 2003, concepts apply to 2007 as well. I've bumped into a few cases recently where the customer had unexpected transaction log file growth that caused the server to dismount a storage group due to lack of disk space. In this post I'll

How to get rid of 9646 events

Applies to Exchange 2003 Event Type: Error Event Source: MSExchangeIS Event Category: General Event ID: 9646 Description: Mapi session "/o=<org>/ou=First Administrative Group/cn=Recipients/cn=<userName>" exceeded the maximum of 32 objects

Repeating 623 version store error.

Applies to Exchange 2003 I had a case a couple weeks ago I thought I'd write about. What was happening is the Version Store would run out of memory and a 623 error would throw. Version Store buckets allocated would climb from 4 to over 2000 in less than

How to fix smashed schema in Exchange 2003

Dan and I and some other engineers wrote up a blog post you can find here on how to recover from a smashes schema scenario on your Exchange Servers. It's pretty succinct so I don't have anything to add to it, it's an interesting read though.