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Exchange 2010 message stuck in queue “A non-expirable message”

Be sure to perform this after hours as it will stop mailflow. Stop the exchange transport service Locate C:\Program Files\Microsoft\Exchange Server\Transport Roles\data\Queue and rename Queue to...

Exchange 2010 won’t install on Server 2012, fails at Mailbox Role with error code 15010

Make the following registry changes to...

Exchange 2010 GAL Segregation / Segmentation

Basically, this will separate the global address lists (GALs) in exchange 2010 SP2 so you can host multiple organizations and they won’t pick up each other. You must have Exchange 2010 SP2 or better,...

Exchange 2010 Mailbox Databases are Corrupt

Problem: Exchange is down, mailboxes show dismounted, event viewer show a ton of logs including Event ID 9519, The following error occurred while starting database <database name>: Log file is...

Exchange 2010 OWA shows a 500 error after login attempt

Verify that the service “Microsoft Exchange Forms-based Authentication service” is...

Increase Exchange 2010 Mailbox Recipient Size Limit, Exchange Shell Command

If you need to email more than 25 people at once, which is the default setting, it stops you. Go to start, programs, exchange 2010, and exchange management shell (as admin).   Type “Set-Mailbox...
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