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Free/Busy is not working between 2007 and Exchange 2013 Hybrid

We have 2 domains: Domain A and Domain B
Domain A has Exchange 2007 mailbox and CAS servers with Exchange 2013 "hybrid" server
Domain B has 2 Exchange 2013 servers - mailbox and CAS
I have mailboxes on both sides
Domain B mailboxes can see FB for all Domain A users
Domain A users on Ex2007 cannot see FB for Domain B users
BUT Domain A users on EX2013 CAN see FB for Domain B users

Please, advice.
0
claudiamcse
Asked:
claudiamcse
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1 Solution
 
Vasil Michev (MVP)Commented:
Use the troubleshooter here:

http://support.microsoft.com/kb/2555008

Also do a free/busy test from ExRCA. Kinda hard to guess what is wrong without providing an error message.

Do you have org relationsip with O365?
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claudiamcseAuthor Commented:
already did....didn't help...it is for cloud users. So, as i mentioned from Hybrid 2013 to the cloud is working but from 2007 to the cloud is not working.

Yes. We do have org relationship with O365
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claudiamcseAuthor Commented:
Test Steps
The Microsoft Connectivity Analyzer is attempting to retrieve an XML Autodiscover response from URL https://autodiscover.domain.com/AutoDiscover/AutoDiscover.xml for user exchange2007.test@domain.com.
The Microsoft Connectivity Analyzer failed to obtain an Autodiscover XML response.
Additional Details
An HTTP 401 Unauthorized response was received from the remote Unknown server. This is usually the result of an incorrect username or password. If you are attempting to log onto an Office 365 service, ensure you are using your full User Principal Name (UPN).
Headers received:
request-id: e223de98-3aa7-4fe3-830f-43f428749dd0
Server: Microsoft-IIS/7.5
WWW-Authenticate: Negotiate,NTLM,Basic realm="autodiscover.domain.com"
X-Powered-By: ASP.NET
X-FEServer: PLKFXO36502V
Date: Wed, 18 Dec 2013 22:26:46 GMT
Content-Length: 0

Elapsed Time: 460 ms.
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