3 related OCS/Exchange - type errors

User in remote country can open and connect/chat with OCS - the server is here in USA.  They are on a MPLS link back to us here.  Please read all of this before you comment right away from your google search....

(1) :  In the upper right corner of the OCS Screen, we get "Outlook Integration Error" - when clicking on it I get this error - Communicator could not determine the location of your exchange web services

(2) - Out of office assistant give me the error - "Your out of office settings cannot be displayed, because the server is currently unavailable.  Try again later.

(3) Users at this site cannot pull up Outlook Web Access.  They are in Japan, but they can pull up from home just fine.

This is the 32 bit version of Outlook and OCS.  tracert looks OK, pings work great to the CAS Hub.  I can even ping the URL for OWA.  Please help me.
Todd MostowyAmericas Regional IT ManagerAsked:
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Todd MostowyAmericas Regional IT ManagerAuthor Commented:
So no help on this one?
Greg BessoIT Solutions EngineerCommented:
HI there. I see you mention these issues are related but we should first clarify some of the individual details to get more familiar with your environment...

For # 1, can you provide details about which builds are in use for the OS, Office, and Communicator? Builds and 32-bit versus 64-bit versions (see MSFT link: http://support.microsoft.com/kb/2028836)

For # 2, can you confirm some of the browser settings for the User Authentication > Login for the trusted sites. Also see MSFT link: http://support.microsoft.com/kb/970123

For # 3, you mentioned the users in this region can't access OWA from work, but they can from home. This indicates either a workstation/browser configuration item, or firewall issue. Can you provide more details such as the Trusted Sites, or proxy configurations if any?

Also can you let us know if there are any site to site VPN, domain/forest, or other types of connections involved? For the Japan users, are they on the same domain, or from a completely separate site? Do you know of any DNS or Group Policy settings that could be involved?

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Todd MostowyAmericas Regional IT ManagerAuthor Commented:
@whoajack - Thanks for the reply.  The builds are 2007, 32bit..  I will check the trusted sites and the group policy settings and let you know what I find.

It's all one domain a site across a MPLS link  The DNS servers resolve correctly so I think it may be the trusted sites.  Will also check the firewalls, etc...
Todd MostowyAmericas Regional IT ManagerAuthor Commented:
We found the problem.  It was the Poxy in Japan.  The PAC file was not setup correctly to allow https
Todd MostowyAmericas Regional IT ManagerAuthor Commented:
We found the problem.  It was the Proxy in Japan.  The PAC file was not setup correctly to allow https
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