When preparing the organization we get:
Saving object "All Rooms" of type "AddressBookBase" and state "New".
[18.08.2007 11:21:17] [2] Canned address list 'All Rooms' with a different recipient filter already exists.
[18.08.2007 11:21:17] [2] Previous operation run on domain controller 'dc13.ourdomain.com'.
[18.08.2007 11:21:17] [2] [WARNING] An unexpected error has occurred and a Watson dump is being generated: The value 'All Rooms' is already present in the collection.
[18.08.2007 11:21:17] [2] [ERROR] The value 'All Rooms' is already present in the collection.
[18.08.2007 11:21:46] [1] Exception : System.Management.Automation.CmdletInvocationException: The value 'All Rooms' is already present in the collection. ---> System.InvalidOperationException: The value 'All Rooms' is already present in the collection.
at Microsoft.Exchange.Data.MultiValuedProperty`1.Add(T item)
at Microsoft.Exchange.Management.Deployment.InstallCannedAddressLists.PostOrganization(ADObjectId resAl)
at Microsoft.Exchange.Management.Deployment.InstallCannedAddressLists.CreateCannedAddressList(String name, QueryFilter recipientFilter)
at Microsoft.Exchange.Management.Deployment.InstallCannedAddressLists.InternalProcessRecord()
at Microsoft.Exchange.Configuration.Tasks.Task.ProcessRecord()
at System.Management.Automation.Cmdlet.DoProcessRecord()
at System.Management.Automation.CommandProcessor.ProcessRecord()
--- End of inner exception stack trace ---
at System.Management.Automation.Internal.PipelineProcessor.SynchronousExecuteEnumerate(Object input, Hashtable errorResults, Boolean enumerate)
at System.Management.Automation.Parser.PipelineNode.Execute(Array input, Pipe outputPipe, ArrayList& resultList)
at System.Management.Automation.Parser.StatementListNode.Execute(Array input, Pipe outputPipe, ArrayList& resultList)
[18.08.2007 11:21:46] [1] [WARNING] An unexpected error has occurred and a Watson dump is being generated: The value 'All Rooms' is already present in the collection.
[18.08.2007 11:21:46] [1] [ERROR] The value 'All Rooms' is already present in the collection.
[18.08.2007 11:21:46] [1] [ERROR] The value 'All Rooms' is already present in the collection.