Event ID - 21

Event Id21
SourceLDAPStaticStore
DescriptionLDAP Administrative Max Connections to database exceeded 100 times for %1.
Event InformationAccording to Microsoft
Resolution:
LDAP server has requested more than the configured maximum number of connections 100 times. This may not be a problem if the administrator is intentionally throttling LDAP connections to SQL Server. The administrator can change this default by going to the LDAP Control Panel, Directory Properties Page, selecting the appropriate SQL db, then choosing Edit.
Reference LinksEvent ID 21 of Source LDAPStaticStore

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