Outlook 2007 client will not connect to exchange 2007 using Outlook Anywhere Remote Connection

I have Outlook 2003 Clients configured to connect to Exchange 2007 using the "Microsoft Exchange using HTTP" option but cannot get my Outlook 2007 clients to connect.

I have verified my Exchange Proxy Settings:

Using On Fast
Using On Slow

Basic Authentication (also tried NTLM)

Any idea why 2007 clients will not connect, but 2003 will?
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Have you tested using https://www.testexchangeconnectivity.com/

This can narrow down setup issues that need to be addressed.
ohmErnieAuthor Commented:

Just ran the link and received a failure:

Testing HTTP Authentication Methods for URL https://name.domain.com/rpc/rpcproxy.dll.
       The HTTP authentication test failed.
        Tell me more about this issue and how to resolve it
      Additional Details
       Not all the required authentication methods were found.
Methods Found: Basic
Methods Required: NTLM
Leave outlook on basic auth and remove the "prIncipal name in cert setting"

Do you have the Feb 2011 update for Outlook 2007 installed?
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ohmErnieAuthor Commented:
Mega, the principal cert is unchecked.  This is a fresh Outlook 2007 install.  No updates.  I think there is a server issue though...just unsure on how to correct it yet.
I would suggest the following to troubleshoot the server.  Follow the recommendations for fix.


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ohmErnieAuthor Commented:
mrcannon...I have followed that and ended up with this doc: http://technet.microsoft.com/en-us/library/bb124149(EXCHG.80).aspx

My goals is to only enable BASIC.

and running this command: Set-OutlookAnywhere -Name Server01 -IISAuthenticationMethod Basic

It then asks me for Identity.  What is that?
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