Event ID - 5002

Event Id5002
DescriptionKMS admin <domain name>\<administrator> failed to enable security for mailbox o=<organization name>,ou=<site name>,cn=<recipients>,cn=<mailbox name>.
Event InformationWhen you attempt to enable Bulk Enrollment for users who have already been enabled for Advanced Security through Exchange Servers Key Management Server, you receive this error message. This is because the Bulk Enrollment option in the Exchange Administrator program is only for the initial setup of Advanced Security; it is not designed to recover lost keys.
Reference LinksXADM: Event ID 5002

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