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IT_HH2010

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Exchange 2003 2010 coexistence. Mail not flowing betweeh 2K3 FE and 2010 Server

Hello everyone and thanks in advance;

I currently have a Exchange 2k3 and 2010 co-existence deployment.

I have an Exchange 2003 Back End and Front End. Users can connect to the FE and get mail via OWA and RPC over httpc and active-sync

I have a mailbox on exchange 2010, it can not send mail out. Its mail is routed to the 2k3 FE. But all the communication between the FE and 2010 server seems to keep getting stuck in the respective queues of each server.

I will provide any information require and appreciate any assistance that can be offered.
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IT_HH2010

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I have mail flowing from the exchange 2010 server to and from the internet. I cant how ever send to users whos mailbox is on the 2k3 server
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endital1097
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There wound up being dns errors, as well as some configuration on the 2k3 connectors that needed changing.
good to hear your working and thanks for the points
have a great weekend