Event ID - 1155

Event Id1155
SourceActive Directory
DescriptionClass identifier %1 (class name %2) specifies an invalid mandatory attribute %3. Attribute ignored.
Event InformationThe specified schema class has a mandatory attribute that is not valid. The attribute is ignored. Assign a valid mandatory attribute to the schema class.
Reference LinksMonitoring AD Changes: Article

Catch threats immediately

We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.

See what we caught

Did this information help you to resolve the problem?

Yes: My problem was resolved.
No: The information was not helpful / Partially helpful.