troubleshooting Question

Event ID 529 in the Thousands

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msiers asked on
SecurityVulnerabilities
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A few of our clients get between 50-100 event 529s per day in Security Event Log. Lately with two of our clients, we are seeing them in the THOUSANDS, from foreign IP addresses. I usually document the IP as best I can via ip-lookup.net and try to get a region identifier. Many times the IP ranges aren't registered with ARIN. Also, we see these coming from various regions on a day-to-day basis: Sometimes from Germany, Spain, Russia, US, Australia, etc.

Is there a standard best-practice in auditing these events and is there a solution such as changing RDP ports or some such we should look into? Does everyone see these events often, or is this possibly something we've overlooked? Thanks!
ASKER CERTIFIED SOLUTION
btanExec Consultant
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