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Free/Busy not working in Exchange 2007

bushido2006
bushido2006 asked
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Last Modified: 2012-08-14
Recenty deployed an exchange 2010 server to coexist with an Exchange 2007 Server. All Traffic is happily flowing through the Exchange 2010 CAS, OA, EAS, OWA, etc. Users on Exchange 2010 can see Free/Busy info for other users on 2010 but users on 2007 cannot access Free/Busy. Users on 2010 cannot see users free/busy on 2007

I have attached an output of the test-outlookwebservices for a users account who is on the 2007 still
[PS] C:\Windows\system32>Test-OutlookWebServices -identity user@domain.com<mailto:user@domain.com> | fl

Id      : 1003
Type    : Information
Message : About to test AutoDiscover with the e-mail address user@domain.com<mailto:user@domain.com>.

Id      : 1012
Type    : Warning
Message : XML>Unknown Node:AutoDiscoverSMTPAddress AutoDiscoverSMTPAddress Line:http://schemas.micr
          osoft.com/exchange/autodiscover/outlook/responseschema/2006a

Id      : 1012
Type    : Warning
Message : XML>Object being deserialized: Microsoft.Exchange.Management.SystemConfigurationTasks.Aut
          oDiscoverUser

Id      : 1012
Type    : Warning
Message : XML>Element

Id      : 1012
Type    : Warning
Message : XML>Unknown Element:System.Xml.XmlElement Line:8(8) user@domain.com<mailto:user@domain.com>

Id      : 1006
Type    : Information
Message : The Autodiscover service was contacted at https://mail.domain.com/autodiscover/auto
          discover.xml.

Id      : 1011
Type    : Error
Message : When querying Availability for Juser@domain.com<mailto:user@domain.com> received 5016:

Id      : 1016
Type    : Error
Message : [EXCH]-Error when contacting the AS service at https://mail.domain.com/ews/exchange
          .asmx. The elapsed time was 312 milliseconds.

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

Id      : 1013
Type    : Error
Message : When contacting https://mail.domain.com/unifiedmessaging/service.asmx received the
          error The remote server returned an error: (404) Not Found.

Id      : 1014
Type    : Error
Message : [EXCH]-Error when contacting the UM service at https://mail.domain.com/unifiedmessa
          ging/service.asmx. The elapsed time was 0 milliseconds.

Id      : 1013
Type    : Error
Message : When contacting https://legacy.domain.com/ews/exchange.asmx received the error The
          request failed with HTTP status 401: Unauthorized.

Id      : 1016
Type    : Error
Message : [EXPR]-Error when contacting the AS service at https://legacy.domain.com/ews/exchan
          ge.asmx. The elapsed time was 15 milliseconds.

Id      : 1015
Type    : Success
Message : [EXPR]-Successfully contacted the OAB service at https://legacy.domain.com/ews/exch
          ange.asmx. The elapsed time was 0 milliseconds.

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://mail.domain.com/Rpc.
          The elapsed time was 0 milliseconds.

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

Id      : 1021
Type    : Information
Message : The following web services generated errors.
              As,UM in EXCH
              As in EXPR
          Please use the prior output to diagnose and correct the errors.



[PS] C:\Windows\system32>Get-clientAccessServer | fl Name,AutoDiscoverServiceInternalUri

Name                           : EXCHANGE 2007 cas
AutoDiscoverServiceInternalUri : https://mail.DOMAIN.com/autodiscover/autodiscover.xml

Name                           : EXCHANGE 2010 CAS
AutoDiscoverServiceInternalUri : https://2010fqdn.fremontgroup.com/Autodiscover/Autodiscover.xml

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