Emails sent to former in-house domain don't go to newly setup Hosted Exchange account

Hi,

I have just moved all the data from our in-house Exchange server to a hosted Exchange.  All the users are still connected to the in-house Exchange server (because it's the AD and file server).  I've cleared their Outlook saved cache and modified their NK2 files so that in-house email doesn't go to the old server.  But, it doesn't matter.  When I send email to accounts that were formerly in-house, they still try to go there.  When I send an email from an outside source (ie gmail), it goes through fine to the account.  And, they're able to receive from others outside the network.  Any ideas, please?
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Matt KendallTech / Business owner operatorAsked:
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Glen KnightCommented:
What happens if you use OWA on the hosted exchange, where does te internal mail go?

Definitely sounds like an outlook configuration issue to me.

Can you try creating a new outlook profile to use the hosted exchange, what happens when you try to send then?
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Glen KnightCommented:
Have you reconfigured outlook so it's now connected to the hosted system?

Have you uninstalled your internal Exchange?

Have you reconfigured your MX records to point to thehiared system instead if your internal one?
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Matt KendallTech / Business owner operatorAuthor Commented:
Yes, it's connected to the new hosted Exchange service and I've imported the PST files to the accounts.  I haven't uninstalled the internal Exchange yet as I wanted to make sure that I didn't miss any accounts.  Although, I have disabled all the services that are Exchange related.  I have reconfigured my MX records to point to the new hosted exchange.  What in the workstation would point the email to the local server (if I've already taken care of the autopopulate NK2 and deleted the contacts from the contacts)?
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Glen KnightCommented:
Sounds like you have done everything you should have done.

So, from an external source, where does email arrive when it is sent?
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Matt KendallTech / Business owner operatorAuthor Commented:
Thanks for taking the time to answer me.  

The mail goes into the hosted mailbox.  Do you know of another way, besides stopping the service on all the Exchange items, to completely suspend Exchange 2010?  I would uninstall but I'm concerned that there may be one or two users out of 60 that haven't backed up their stuff to a PST.
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Matt KendallTech / Business owner operatorAuthor Commented:
When I send an email to a user on the same domain from OWA, it goes where it's supposed to.  I completely agree.  It has to do with the Outlook configuration and the fact that every time I set the settings for Outlook Anywhere, they're reverted back to the old server settings.  I created a new profile and the same thing happened.  I searched around the Net and find that there are several other people having a similar issue.  This guy wrote a blog entry on how he solved the problem with local group policy. (http://www.bictt.com/blogs/bictt.php/2011/01/09/outlook-anywhere-automatically-changes-proxy-settings)  I'm wondering if there's a domain group policy that can be changed to force the autodiscover to use the new settings.  Which, by the way, I saw that in the registry that it's referring to a c:\autodiscover.xml and I was all excited that this was the "easy fix" but it had everything correct.  Do you think that this can be fixed using domain group policy?
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Matt KendallTech / Business owner operatorAuthor Commented:
Here's some more information.  I can still see the global address book in the address book.  I think that could be a big problem as it may be seeing the addresses in there and using the information from there to send email and it's ending up trying to go to the old server.  They bounce back because everything is disabled on the old server.  But I can still see the global address book.  Any idea how to get rid of that?  I tried various ways of deleting it from the user's Outlook but no go.  I think that I resolved the random changing Outlook Anywhere Proxy address.  I used the Set-OutlookProvider in EMC and put the hosted Exchange address in there.  I should probably just uninstall Exchange but I just know that as soon as I do that, someone will come crying that they don't have their email, contacts and calendar.  Any idea on the Global Address book?
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Matt KendallTech / Business owner operatorAuthor Commented:
I don't know what I did but it's working now.  Thanks for your time!
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