Exchange2013 emails fail

We are upgrading to Exchange2013
the receive connectors we had set up on Exchange 2007 are no longer sending the emails

Any ideas of what settings should be changed?

The move of emails has not been completed so both systems are still online, the old system has the legacy  setting
The old exchange2007 has a new IP addresss
The new Exchange2013 is using the IP from the old system
John HausknechtITAsked:
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Simon Butler (Sembee)ConsultantCommented:
Receive Connectors don't send email. Send Connectors do.

Therefore you should check that your NAT is correct from the Exchange 2007 servers, or configure the Send Connectors with the Exchange 2013 servers as the source server.

If you mean you are bringing email in to Exchange 2013 and it isn't being delivered to Exchange 2007, check the default receive connector has Exchange server authentication enabled and does not have a restriction on what can connect to it internally.

Simon.

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John HausknechtITAuthor Commented:
I resolved it we needed to change the IP in the Hub Transport on the legacy system to match its new ip

We where using hub transports on 2007 to send emails from our scanners and self checkouts to send emails to themselves.
In the Hub Transport network we would we would add the IP of Exchange, and the IP of the device we want to be able to send emails then they would be able to send email directly to our patron

Thanks! Sometimes it just takes a question to relies were the setting might be.

Now if I can just resolve why my clients on 2013 are getting asked a password and not recognizing it.  They can use OWA just fine.

John
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