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FRS_ERR_SYSVOL_DEMOTE
The file replication service cannot stop replicating the system volume because of an internal error. The event log may have more information.
FRS_ERR_SYSVOL_DEMOTE is Win32 error 8016 (0x00001F50) and concerns stopping legacy FRS replication of SYSVOL during domain-controller demotion.
What to verify
Verify whether FRS can quiesce SYSVOL, update replica membership, and close local state without leaving an advertised partial role. Check demotion stage and request ID, FRS and Directory Service events, and SYSVOL/NETLOGON share state.
Likely causes
- replication state cannot be updated.
- the FRS database is inconsistent.
- directory membership changes are unavailable.
- files or service handles prevent cleanup.
Troubleshooting steps
- Collect demotion stage and request ID.
- Record FRS and Directory Service events.
- Correlate SYSVOL/NETLOGON share state with the File Replication Service event log, Service Control Manager, Directory Service and Netlogon events, RPC diagnostics, and replica-set state.
Handling, retry, and recovery
Stop the demotion workflow, resolve the detailed FRS or directory failure, and resume through supported domain-controller demotion rather than manually deleting SYSVOL state.
Related errors
FRS_ERR_STOPPING_SERVICE concerns service shutdown generally; this code is specific to ending SYSVOL replication for demotion
Example
A legacy domain controller demotion stalls when FRS cannot update replica membership. Repairing directory replication lets the supported demotion continue without orphaning SYSVOL objects.
References
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