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ERROR_DS_UNAVAILABLE
ERROR_DS_UNAVAILABLE (0x0000200F) is an Active Directory Domain Services LDAP result. The directory service could not process the LDAP request because the required directory service was unavailable.
What to check
- Confirm the target domain controller is reachable and the AD DS service is running.
- Determine whether the failure affects one DC, one site, or the entire domain.
- Check Directory Service and System events for startup, replication, DNS, or resource failures that preceded the request.
Useful command
Test-NetConnection "<dc-fqdn>" -Port 389Microsoft: AD DS diagnostic logging · Microsoft: LDAP ETW tracing · Microsoft: AD DS LDAP operations
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