Exchange 2007 SP with Windows Server 2008 Outlook Out Of Office

Try to set it from OWA does it work ?

If yes then this might help
http://www.proexchange.be/modules.php?name=News&file=article&sid=686

We already try that, still no lucky getting same error.

Ok what about the first part of the quesiton can you do it through OWA ?

Yes, we have no problem enable Out Of office from OWA.  Most of the user are using Outlook 2007.

Are these migrated users from 2003 or created on 2007 from the start ?

Try these from http://support.microsoft.com/kb/940726/ it should take care of AutoDiscovery problems


To resolve this issue, modify the URLs for the appropriate Exchange 2007 components. To do this, follow these steps:
Start the Exchange Management Shell.
Modify the Autodiscover URL in the Service Connection Point. The Service Connection Point is stored in the Active Directory directory service. To modify this URL, type the following command, and then press ENTER:
Set-ClientAccessServer -Identity CAS_Server_Name -AutodiscoverServiceInternalUri https://mail.contoso.com/autodiscover/autodiscover.xml 
Modify the InternalUrl attribute of the EWS. To do this, type the following command, and then press ENTER:
Set-WebServicesVirtualDirectory -Identity "CAS_Server_Name\EWS (Default Web Site)" -InternalUrl https://mail.contoso.com/ews/exchange.asmx
Modify the InternalUrl attribute for Web-based Offline Address Book distribution. To do this, type the following command, and then press ENTER:
Set-OABVirtualDirectory -Identity "CAS_Server_name\oab (Default Web Site)" -InternalUrl https://mail.contoso.com/oab
Modify the InternalUrl attribute of the UM Web service. To do this, type the following command, and then press ENTER:
Set-UMVirtualDirectory -Identity "CAS_Server_Name\unifiedmessaging (Default Web Site)" -InternalUrl https://mail.contoso.com/unifiedmessaging/service.asmx
Open IIS Manager.
Expand the local computer, and then expand Application Pools.
Right-click MSExchangeAutodiscoverAppPool, and then click Recycle.
Important These steps assume that a host record exists in the DNS to map the FQDN that you specify to the IP address of the CAS server. Consider the following sample scenario:
The original internal URLs for the Exchange components point to the internal FQDN of the server. For example, one of these URLs points to the following:
https://ServerName.contoso.com/ews/exchange.asmx
The FQDN that is specified on the certificate points to the externally accessed host name of the server. For example, the certificate specifies an FQDN, such as "mail.contoso.com."
In this scenario, you must add a host record for the mail host name that is mapped to the internally accessed IP address of the CAS server to let internal clients access the server.

We are not migrating from Exchange 2003 to Exchange 2007. It's newly setup Exchange 2007.

This are the result from test-outlookwebservices |fl



Id      : 1003
Type    : Information
Message : About to test AutoDiscover with the e-mail address demo1@exchdemo.fnb
          s.net.

Id      : 1007
Type    : Information
Message : Testing server owa.mycompany.com with the published name https://owa
          .mycompany.com/ews/exchange.asmx & .

Id      : 1019
Type    : Information
Message : Found a valid AutoDiscover service connection point. The AutoDiscover
           URL on this object is https://owa.mycompany.com/autodiscover/autodi
          scover.xml.

Id      : 1006
Type    : Information
Message : The Autodiscover service was contacted at https://owa.mycompany.com/
          autodiscover/autodiscover.xml.

Id      : 1016
Type    : Success
Message : [EXCH]-Successfully contacted the AS service at https://owa.purecircl
          e.com/ews/exchange.asmx. The elapsed time was 140 milliseconds.

Id      : 1015
Type    : Success
Message : [EXCH]-Successfully contacted the OAB service at https://owa.purecirc
          le.com/ews/exchange.asmx. The elapsed time was 0 milliseconds.

Id      : 1014
Type    : Success
Message : [EXCH]-Successfully contacted the UM service at https://owa.purecircl
          e.com/UnifiedMessaging/Service.asmx. The elapsed time was 15 millisec
          onds.

Id      : 1016
Type    : Information
Message : [EXPR]-The AS is not configured for this user.

Id      : 1015
Type    : Information
Message : [EXPR]-The OAB is not configured for this user.

Id      : 1014
Type    : Information
Message : [EXPR]-The UM is not configured for this user.

Id      : 1017
Type    : Success
Message : [EXPR]-Successfully contacted the RPC/HTTP service at https://owa.pur
          ecircle.com/Rpc. The elapsed time was 0 milliseconds.

Id      : 1006
Type    : Success
Message : The Autodiscover service was tested successfully.

and owa.mycompany.com is resolvable from inside and outside your company ?

Both internal and external also can resolve.

We still waiting reply from client who using Outlook 2003.

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