You use Microsoft Exchange Server Inter-Organization Replication (IOREPL) to replicate Free/Busy information in a mixed Microsoft Exchange Server 2003 and Microsoft Exchange Server 2010 environment. In this situation, the Free/Busy replication from an Exchange Server 2003 server to an Exchange Server 2010 server fails. Additionally, you find the following event is logged on the Exchange Server 2010 server:
Log Name: Application
Source: MSExchange Availability
Event ID: 4003
Task Category: Availability Service
Process Microsoft.Exchange.InfoWorker.Common.Delayed`1[System.String]: PublicFolderRequest for 2 mailboxes at EXCHANGE ADMINISTRATIVE GROUP (<xxxx>) failed. The exception returned is Microsoft.Exchange.InfoWorker.Common.Availability.PublicFolderRequestProcessingException: The remote server returned an error: (403) Forbidden.. The request information is http://<servername>/public/?Cmd=freebusy&start........ The Availability service could not successfully retrieve Schedule+ free/busy data for one or more legacy Exchange mailboxes. To find the root cause of this error, increase the diagnostic logging level of the MSExchange Availability service.
Article ID: 981961 - Last Review: 11/11/2011 23:58:00 - Revision: 3.0