Error: “Security log overwrites occurred on this DC since the last data collection. Please increase the maximum size of the Security event log”

Active Directory
6.5 and older
7.0-8.5
9.0-9.7
9.8
https://kb.netwrix.com/1189
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Daily Activity Summary email (Change Summary in Netwrix Auditor 8.5 and below) and the Netwrix Auditor System Health log contain the following warning message: “Security log overwrites occurred on this DC since the last data collection. Please increase the maximum size of the Security event log”.


The problem occurs if the size of the Security log is not big enough to hold all events that occurred between data collections, and some events have been overwritten.

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