Exchange 2003 to 2010 migration - messages pending submission

Williamco
Williamco used Ask the Experts™
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During an exchange migration between exchange 2003 and 2010, the exchange 2003 got very slow and even to send internal email from the 2003 is taking about 10 min. When I go to the queue I see about 800 messages pending submission. The server is very slow as well. I stopped public folders replication about 2 hour ago, but it is still very slow.
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Ryan_RIT Systems Administrator

Commented:
Try restarting the Transport service.

Author

Commented:
I did it and I even rebooted the server. No luck.
Ryan_RIT Systems Administrator

Commented:
Perhaps use Process Explorer (free MS download) to see if the server is busy with HDD read/writes.  Could be a lot of log files?
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See if the GC connectivity is proper.

Try IISreset

also.. Disable the Antivirus.

Most probably, it shud be GC
Thank you everybody, things are back to normal. It was the public folders replication. They finally stopped after 3 hours and the exchange 2003 is back to normal.

Author

Commented:
Things that I did finally kicked in and the issue was fixed.

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