Event ID - 1021

Event Id1021
SourceMSExchangeIS Public Store
Description<type>/<user name> was unable to connect as <user name>. Error <error code>.
Event InformationVerify that objects have the appropriate permissions settings.
Reference Links

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.