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SBS 2011 Migration Issues

After/during a migration of Microsoft Small Business Server (SBS) 2008 to SBS 2011, you may encounter some issues:

  • When demoting the source server using DCPROMO, the operation fails with: “The directory service was unable to transfer ownership of one or more floating single-master operation roles to other servers” (5005).

    This may occur if the DNS contains name server entries referring to the source server. Remove these, run IPCONFIG /FLUSHDNS on the source server and try again.

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