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Exchange Server 2007: Problem with Proxy Server's Security Certificate

Hello,

From Exchange 2007, so it populates to all Outlook clients, how can I change the "Use this URL to connect to my proxy server for Exchange"?  This is found under the Account Settings in Outlook, Connection, Exchange Proxy Setttings...

We were using our webmail certificate and I am not sure how this changed back to the local machine certificate.  Get-ExchangeCertificate shows that the webmail certificate is enabled for SMTP.

I also issued the following which I thought changed it:

Set-ClientAccessServer -Identity MachineName -AutodiscoverServiceInternalUri https://webmail.mycompany.com/autodiscover/autodiscover.xml 

Right now, a lot of the clients are receiving: There is a problem with the proxy server's security certificate. The name on the security certificate is invalid or does not match the name of the target site (MACHINENAME).  Outlook is unable to connect to the proxy server. (Error Code 10)
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gtiitee
Asked:
gtiitee
1 Solution
 
Glen KnightCommented:
Do you have all the correct names in your certificate?
With Exchange 2007 you should have at least the following:

autodiscover.domainname.com (where domainname.com is the part after the @ in your e-mail address)
owa.domainname.com (the URL your users use to connect to Outlook Web Access)
servername.domainname.local (the internal Fully Qualified Domain Name of your CAS server)
SERVERNAME (the NETBIOS name of your server)

demazter
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gtiiteeAuthor Commented:
This all happened after applying patches to my Hub Transport server and then rebooting.  I can't say for sure what the actual cause was because so many steps were taken and it seems to have been a timing with the clients connecting back to Exchange - I did re-apply the Set-ClientAccessServer -Identity MachineName -AutodiscoverServiceInternalUri https://webmail.mycompany.com/autodiscover/autodiscover.xml  command which I think may have done it - I cant imagine why it would have been broken after reboot but I've seen stranger things.
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