What does Windows error code 8246 (ERROR_DS_LOOP_DETECT) mean?

 
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ERROR_DS_UNWILLING_TO_PERFORM ERROR_DS_NAMING_VIOLATION

ERROR_DS_LOOP_DETECT

ERROR_DS_LOOP_DETECT (0x00002036) is an Active Directory Domain Services LDAP result. The directory service detected a loop while resolving the requested LDAP operation, referral, or alias path.

Trace referrals, aliases, and object relationships involved in the operation until the repeated path is visible. Correct that circular relationship rather than raising client traversal limits, which only postpones detection of the same loop.

What to check

  • Inspect referrals and aliases involved in the request for a circular path.
  • Check DNS and trust configuration when referrals cross domains or forests.
  • Use the full referral chain in a client trace before changing directory objects.

Useful command

Get-ADRootDSE -Server "<dc-fqdn>"

Microsoft: AD DS LDAP operations · Microsoft: LDAP ETW tracing · Microsoft: AD DS diagnostic logging


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