We are having Exch 2007 and MS Outlook 2007/2010 and the problem is for all the clients. They cannot access OAB when not connected to Exch and they cannot define Out of Office messages through MS Outlook by using OOF.
EXCH ADMIN
Hi,
Generally the issue may occur due to the name resolvation related issue. so please verify your internal DNS settings, and make sure the CAS
FQDN is pointting correctly to the CAS server's internal IP address.
if the issue continues, I'd suggest you run the test below to isolate the fault:
1. “Test Email Autoconfiguration". See
http://technet.microsoft.com/en-us/library/bb397225(EXCHG.80).aspx.
Please poste the result so that we can know what is the error here.
2. Launch IE in the problematic client and try the URLs below to see if are able to resolve the URL:
The SCP URL returned in “Test Email Autoconfiguration” Log tab. By default, it is
https://FQDNofCASserver/autodiscover/autodiscover.xml; the expected result is error code 600.
The Availability Service URL returned in “Results tab. By default, it is
Https://FQDNofCASserver/ews/exchange.asmx;
The OAB URL returned
in Results tab. By default, it is
https://FQDNofCASserver/oab/<GUID>/oab.xml.
Let me know if there is any error.
3. Launch IE in the CAS server, and then try the URLs below:
https://localhost/autodiscover/autodiscover.xml;
https://localhost/ews/exchange.asmx;
Let me know if there is any error.
Fiona
