Room/Resource coexistence: Outlook "Room Finder" doesn't work, so should we migrate rooms/resources first?

Question

So, as I understand it, during coexistence, Outlook "Room Finder" does not work while the rooms/resources are still in Domino, and only Contact objects are in O365. This is "by design" ( https://support.quest.com/coexistence-manager-for-notes/kb/214076/room-finder-in-outlook-is-unable-to-see-domino-rooms-and-resources) . 
 Another Quest article suggests that the best practice is to migrate the resources from Domino to Exchange once 51% of the mailboxes are moved to Exchange. 
 I am wondering how the coexistence performance would work if we migrated our resources BEFORE we migrate any mailboxes? Does the Lotus Notes "Find Rooms" and "find Available Times" feature still work if the resources are fully in Exchange? Is there any loss of functionality our Lotus Notes users would find if the resources are moved to Exchange first? 
 
 Thanks!

Trevor Taegder · Accepted Answer

Thanks for the update. You are correct, there is no way to achieve 100% native functionality in both mail systems for room and resource objects. Native functionality in both mail systems require a native object, which unfortunately is not possible during the coexistence period. CMN is able to support the native object existing in either Domino or Exchange, but there are limitations to both scenarios. 
 I am not aware of any other features that users may notice not working off hand. 
 There may be additional considerations, such ensuring that the LegacyExchangeDn is transferred from the Exchange contacts, representing rooms and resources, to the native Exchange rooms and resources objects during the migration of those objects. These types of details are usually considered as part of the installation and configuration and implementation of Migrator for Notes to Exchange (MNE) and Coexistence Manager for Notes (CMN) when working with Quest Professional Services and/or a Quest Partner Consultant. Are you currently working with someone? 
 Trevor Taegder Senior Technical Support Engineer 
 Quest | Suppor

Trevor Taegder · Answer

Thanks for posting to the Coexistence Manager for Notes (CMN) forum. Yes, you are correct, the Outlook "Room Finder" is not going to function while rooms and resources are still in Domino. The CMN Directory Connector can create the contacts so that they show up in the "All Rooms" list, but the "Room Finder" needs actual room objects. 
 
 In regards to migrating Domino rooms and resources first, the Domino "Find Rooms" option will no longer function. Once Domino rooms and resources are migrated to Exchange/Outlook, then the resources and rooms need to be effectively removed from Domino. The CMN Directory Connector will then sync the migrated rooms and resources from Exchange back to Domino as "user contacts". Notes users will then need to add the migrated Exchange rooms and resources as if they were normal Domino "users" to the "Who: Required:" section of a new meeting invite, which will allow for the "Find Available Times" to function as it would for normal migrated users. 
 
 Please let me know if you have any additional questions or need any additional clarification. 
 
 Trevor Taegder Senior Technical Support Engineer 
 Quest | Support

Room/Resource coexistence: Outlook "Room Finder" doesn't work, so should we migrate rooms/resources first?

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