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Exchange 2010 email not routing internal or external

Installed exchange 2010 in coexistance with 2003. Everything was working fine during initial install and testing. I had several users migrated to 2010 mailboxes and email flow was OK.

Last night i migrated all my mailboxes to 2010 and now email flow is not working. I am getting no delivery errors emails just disappear. they do not to users mailbox internally. The only thing i can see that changed is for some reason the routing group connector between the 2003 and 2010 servers has gone. This must of happened automaticly after last mailbox moved.

i have send and receive connectors configured but emails are still not routing

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PACSAdmin
Asked:
PACSAdmin
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1 Solution
 
PACSAdminAuthor Commented:
i am getting this error

The Microsoft Exchange Mail Submission service is currently unable to contact any Hub Transport servers in the local Active Directory site. The servers may be too busy to accept new connections at this time.
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endital1097Commented:
look at the application log on the hub transport server for backpressure warning/errors
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endital1097Commented:
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PACSAdminAuthor Commented:
i have backpressure issue as disk is at 96%

what can i move off the system disk to releive this

eschange DB is already on another drive
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endital1097Commented:
are the exchange logs on this drive? moving the mailboxes would have generated a lot of log files.
did you run a backup of the exchange databases after the move?
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PACSAdminAuthor Commented:
This is a combined HUB CAS MBX

40 GB System
200GB Data
200 GB Backup
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endital1097Commented:
you can run the following from the exch management shell to find log location
get-mailboxdatabase | fl log*
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endital1097Commented:
which drive is full, the system?
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endital1097Commented:
how are things going? did you find something to move to free disk space?
some versions of windows have the hibernation feature enabled by default
run the following to disable (typically frees up a couple gbs)
powercfg.exe /hibernate off
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PACSAdminAuthor Commented:
all fixed now. Lets call it a senior moment. I thought i had moved the database path to another drive but i had only moved the log files. After moving the database this freed up 15Gb on the system drive. I restarted the transport service and email started flowing.

thanks for pointing me in the right direction
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PACSAdminAuthor Commented:
Issue was as specified in response
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endital1097Commented:
glad to hear it, have a good night
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