Directory Service

Diagnostics logging service	Diagnostics logging category	Description
MSExchangeDS	Knowledge Consistency Checker	Ensures that replication links between servers and sites are configured correctly.
MSExchangeDS	Security Events	Events related to Windows NT security, such as logon attempts and changing permissions on directory objects.
MSExchangeDS	EXDS Interface Events	Communication between the directory and the information store, MTA, and Administrator program.
MSExchangeDS	MAPI Interface Events	Communication between Messaging Application Programming Interface (MAPI) clients and the directory.
MSExchangeDS	Replication Events	Events related to replication of the directory to and from other Microsoft Exchange Server computers.
MSExchangeDS	Garbage Collection	Events generated when objects marked for deletion are deleted.
MSExchangeDS	Internal Configuration	Interpretation and display of the registry and configuration variables.
MSExchangeDS	Directory Access	Reads and writes directory objects from all sources.
MSExchangeDS	Internal Processing	Events related to the internal operation of directory application code. Error events in this category indicate bugs in the directory.
MSExchangeDS	LDAP Interface	Events related to clients accessing the directory using Lightweight Directory Access Protocol (LDAP). For example, Bind, Search, and Filter. It records what LDAP calls are made, whether calls succeed, and why a call failed.
MSExchangeDS	Initialization/ Termination	Events related to starting and stopping the directory.
MSExchangeDS	Service Control	Processes Windows NT Control Panel services events, such as start service, stop service, and pause service.
MSExchangeDS	Name Resolution	Resolution of addresses and directory names.
MSExchangeDS	Backup	Events related to the backup and restoration of the directory database.
MSExchangeDS	Field Engineering	Internal debugging trace.
MSExchangeDS	Address Book Views	Events related to the Address Book views consistency checker, which ensures the validity of the entries in each Address Book view. It records information such as when the Address Book View containers were created and deleted.