Rational ClearQuest MultiSite requirement
If your organization uses Rational® ClearQuest® MultiSite, all PVOB replicas must have access to the Rational ClearQuest user database. If you have multiple PVOBs linked to either an administrative VOB or a PVOB acting as an administrative VOB, all of the PVOBs and administrative VOBs in the hierarchy must be replicated to all sites.