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474 days ago
August 13 Data Protection Manager (DPM) 2007 issue on Domain Controllers Be very careful when deploying DPM to multiple domain controllers in an environment. Lesson Learned: When installing Data Protection Manager (DPM) agents onto Active Directory Domain Controllers (DC), the following needs to occur. 1. Agent MUST be installed on each DC, ONE AT A TIME. 2. After EACH installation, you MUST run replication using the repadmin /syncall command to force replication 3. Failure to do this will cause major issues…. Why: When the agent is installed on a domain controller it creates two Domain Local Security Groups in the Users Organizational Unit (OU): DPMRADCOMTrustedMachines and DPMRADmTrustedMachines. If you do not replicate after EACH DC Agent installation, the SID’s on these groups get hosed. This can be checked by going into the Members of these groups and ...
