Okay, I've been banging my head against the wall on this one.

We have 2 apps that talk to each other by creating files in a common folder. App A writes a file, waits for App B to read the file, process some information, and write a response file. App A waits for the response file, reads it and continues processing.

No, I didn't want it done this way in the first place, but that's the way it is.

So after last week's Windows Server Updates, the return process, where App A waits for the response file, moved from around 1 second to 5-6 seconds, and I can't figure out why.

Any constructive suggestions?

maybe a long shot

check the error logs to see if you are getting kerberos auth failures and the system is falling back to a different auth.

https://www.bleepingcomputer.c...-server-auth-issues/

Thanks. I checked the Event Viewer and don't see any kerberos issues.

quote:

Originally posted by eyrich:
maybe a long shot

check the error logs to see if you are getting kerberos auth failures and the system is falling back to a different auth.

https://www.bleepingcomputer.c...-server-auth-issues/