Forum Discussion

Copper Contributor

Mar 11, 2023

Exchange 2016 Event 2159 ADAccess Validation Failed

We intermittently see event id 2159 generated on our Exchange 2016 Server (CU23 Jan23SU). They seem to have appeared sometime in the past month. We tend to see about 50-150 events per day. We've e...

Exchange Server

DrShutt

Copper Contributor

Jun 07, 2023

I am having the same issue. We have 4 2k19 Exchange Servers all in a DAG on Windows 2019 Server. About every day we are having to restart the transport services and we are also getting the Event ID 2159. I have a ticket open with MS. Has anyone fixed this issue as of yet?

ronenu

Copper Contributor

Jun 14, 2023

DrShutt

i have the same issue

every few days i need to restart the transport serivce because the server stop reciving and sending emails.

DrShutt
Copper Contributor
Jun 14, 2023
ronenu what is your Exch Environment like. We have a ticket open with MS and so far they have not found the issue. What AV do you use we use CS