Three short questions about LogonUser (with answers!)
A customer had a Web service that runs processes as specific users. There may be multiple such processes running at the same time for a single user account. Here are the questions. And just to be nice, I’ve even included the answers. (Note: These are not my answers. I’m just recording them for posterity.)
“Is there a limit to the number of
LogonUser sessions that can exist at a time for a particular user?”
It is limited by available memory.
“Once the process exits, what kind of cleanup do we need to perform? We don’t see a
When you are done, take the token handle that you got from
LogonUser and pass it to
“Is there a recommended way to run multiple processes under the same user account?”
When you get a token from
LogonUser, use that one token for multiple processes.