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ERROR_DS_ATTRIBUTE_OR_VALUE_EXISTS
ERROR_DS_ATTRIBUTE_OR_VALUE_EXISTS (0x0000200D) is an Active Directory Domain Services LDAP result. The requested LDAP add operation would create an attribute or value that already exists on the object.
What to check
- Read the current attribute values before retrying the add operation.
- Use a replace or conditional update only when it matches the intended application logic.
- For multivalued attributes, normalize case, distinguished names, and other equivalent representations before comparing values.
Useful command
Get-ADObject -Identity "<distinguishedName>" -Properties *Microsoft: Get-ADObject · Microsoft: AD DS LDAP operations · Microsoft: AD DS diagnostic logging
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