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On IM and Presence Service, persistent chat rooms do not work if you are using an Oracle external database and it has not been updated with the patch for the Oracle defect: ORA-22275.
If the patch has not been updated, the following problem occurs in Jabber. When you create a persistent chat room and you do not check the Add Room to My Rooms Tab check box, the room does not appear under the All Rooms tab.
When you restart the Cisco XCP Text Conference Manager service, Jabber gives the following message: Room has been deleted. You then have to recreate the persistent chat room after every Cisco XCP Text Conference Manager service restart.