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Justin Owens
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Exchange 2010 Not Receiving out of Organization Emails

Greetings, Experts!

I have a mix of Exchange 2003 and Exchange 2010 in my mail organization.  About mid morning today, all emails to the 11 recipients on the only Exchange 2010 server stopped receiving messages send from outside sources, but still receive messages sent from inside the organization (whether on the Exchange 2010 or 2003 server).  I am home sick today with a fever, and I simply cannot think clearly enough to address this.  Any and all help in troubleshooting why this is happening would be appreciated.  

Current scenario for mailflow:

All incoming mail comes to a front end 2003 server.  It routes mail to the appropriate back end server (2003 or 2010).

DrUltima
ExchangeEmail ServersEmail Software

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XCONBLR

8/22/2022 - Mon
y4utech

Check the free Disk space on the exchange 2010 server, may be due to Bab overflow all external mailflow of exchange 2010 users have been stopped.
Justin Owens

ASKER
60GB free on the SYSTEM drive and 80GB free on the DATA drive.  Also, what is "Bab overflow"?

Respectfully,

DrUltima
Justin Owens

ASKER
I actually read the explorer wrong... There was less than 2GB free on the data drive and error 15006 was in the Event Logs....  I freed up some space, but I need to move some users off the test server and back into our 2003 production system.  I would appreciate a "best practice" to get those mailboxes moved back.

DrUltima
I started with Experts Exchange in 2004 and it's been a mainstay of my professional computing life since. It helped me launch a career as a programmer / Oracle data analyst
William Peck
ASKER CERTIFIED SOLUTION
y4utech

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Justin Owens

ASKER
The Queue database is under 100 MB... There is almost 4GB left on the server.  How will moving this help?  I have sent a tech to get an external hard drive I can use to connect to the server in the meantime, but I Would like to know how this will help....

DrUltima
XCONBLR

It does not depend on how much large your queue database is.
It just depends on how much free disk space the drive where you have queue database has. Back pressure for Disk space monitors the free disk space on where mail.que and transaction log files are present.