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wullxz
Asked: 2011-08-03 06:59:01 +0800 CST

Autodiscover redirect to external Server

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We have following situation:

  • SBS 2008 that runs Exchange 2007 (built in)
  • Several mailboxes on that SBS
  • One user that uses a hosted exchange mailbox because the user needs Blackberry-services that we host in our datacenter (exchange-2007)
  • That single user has a different maildomain as the other users on the local SBS

Now, if that single user with the hosted mailbox is in the internal network, he permanently gets the username and password-dialog from remote.local-sbs-domain.local. I think Outlook does that because it looks for autodiscover in the local network first.

So, I need to get autodiscover running for internal users and that single external user (because of Out-Of-Office-Assistant, Calendar and so on). Is it possible to tell the SBS to redirect the autodiscover-request for that external hosted domain?

exchange-2007 hosted-exchange autodiscovery

1 Answers

  1. Best Answer

    The problem is Outlook is preferring the autodiscover information it is finding in Active Directory via SCP and SRV records.

    You can enter a few registry values to change that behavior. This registry file is for Office 2010 but if you change the version number it will also work with older version.

    Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\AutoDiscover]
"ExcludeSrvRecord"=dword:00000001
"ExcludeScpLookup"=dword:00000001
"ExcludeSrvLookup"=dword:00000001

    This link describes the problem in more detail: http://support.microsoft.com/kb/956955

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