Event ID - 1130

Event Id1130
SourceActive Directory
DescriptionThe automatic topology generator was unable to complete the topology for site %1- error code %2- and internal id %3.
Event InformationKnowledge Consistency Checker (KCC) was unable to complete the topology for the specified site. An attempt to complete the topology for this site will be made again at the next scheduled KCC interval (the current default is 15 minutes). Attempts will be made until the task is successfully completed. No user action is required.

Following information from newsgroup posts may help you.

1. Check permission to NTDS folder. (You have to change view in folder options to view NTDS directory). Administrator and System should have full control.

2. May be because of lack of disk space.  
Reference LinksMonitoring AD Changes: Article

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