Q. How can I pre-populate a specific user's credentials on a read-only domain controller (RODC)?

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August 13, 2008 Q. How can I pre-populate a specific user's credentials on a read-only domain controller (RODC)? A Web Exclusive from FAQ for Windows John Savill Active Directory InstantDoc #100024 FAQ for Windows	Email this Article Printer Friendly Reader Comments Digg This Del.icio.us RSS
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A. Typically, when an authorized user logs onto an RODC, his or her credentials are on the password replication policy allow list, and no additional action is needed. The user's credentials are automatically cached on the RODC. To pre-populate a specific user's credentials, open the RODC's computer object and select the Password Replication Policy tab. Click Advanced, then follow the instructions. To prepopulate credentials using the command line, use the repadmin and rodcpwdrepl commands with the following format:

where RODC to prepopulate is the RODC on which you want to cache the credentials and DC to replicate from is the domain controller (DC) on which the credentials exist. As an example, I used the repadmin and rodcpwdrepl commands to replicate Clark Kent's credentials from my savdaldc01 DC to my savdalrodc01 RODC with the following command and resulting output:

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