Forum Discussion
Suspicious events
Exchange 2016 fully patched. Saw a few errors in Application log. Source: MSExchange Front End HTTP Proxy [Owa] An internal server error occurred. The unhandled exception was: System.ArgumentEx...
I am seeing the same exact error on our Exchange 2013 server. This happened the evening after we applied the zero day patch (KB5000871). Please let us know what you find out from Microsoft.
Seeing this message as Event ID 1003, Source MSExchange Front End HTTP Proxy, AND as Event ID 1309, Source ASP.NET 4.0.30319.0. With a
Seeing this message as Event ID 1003, Source MSExchange Front End HTTP Proxy, AND as Event ID 1309, Source ASP.NET 4.0.30319.0. With a
RrrrowsdowerThis also appears to have started in less than 24 hours after installing the Exchange zero day patch for me as well.
Jason284 - Did you get any update from Microsoft on your case?
DhruvaKudvaUnfortunately no, not a word yet. Although I have noticed that there are a lot of people getting these exact errors and it seems to correlate with installing the Exchange zero day patch last week from what I can tell. It's frustrating there hasn't been any response from Microsoft on this.
