Event ID - 2024

Event Id2024
SourceMSExchangeAdmin
DescriptionText: An error was encountered by the knowledge consistency checker on server <server name>. <<0xc1030b0d - An internal error has occurred during directory replication. Stop and then restart the directory service. Then try directory replication again.>>
Event InformationWhen you run the Knowledge Consistency Checker, one of the following pop-up error messages may be displayed: 
Knowledge consistency has been successfully verified. 
An internal error has occurred during directory replication. Stop and then restart the directory service. Then try directory replication again. 
Microsoft Exchange Administrator ID no: c1030b0d 
-or- 
Knowledge consistency has been successfully verified. 
The Knowledge Consistency Checker could not connect to the local directory server to start the check. Verify that the directory service is started. 
Microsoft Exchange Administrator ID no: c1030b1f 
CAUSE :
The following registry entries do not contain the correct Organization, Site, or Server Name, respectively: 

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeSA \Parameters\Enterprise
NOTE: The above registry key is all one path; it has been wrapped for readablilty. 
-or- 
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeSA \Parameters\Site
NOTE: The above registry key is all one path; it has been wrapped for readablilty. 
-or- 
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeSA \Parameters\Server

NOTE: The above registry key is all one path; it has been wrapped for readablilty. 
WORKAROUND :
To work around this behavior, change the registry entries to match the correct Organization, Site, and Server Names specified in the Microsoft Exchange Directory and restart the server. To verify the correct Directory Name for the Organization, Site, and Server, run the Microsoft Exchange Administrator program in Raw Mode and note the "Directory-Name" attribute in Raw Properties for each of the three objects. 
MORE INFORMATION :
This behavior can occur if a server is reinstalled with an incorrect Organization
Reference Links Knowledge Consistency Checker Returns Events 2024, 1124

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