Critical windows service handle shutdown

Question

Assume a Window Server with

• running services and
• running console applications

The nature of this software is very critical. Operations take up to a few minutes and should not be terminated.

How to handle a shutdown of this server? (An Admin want to shutdown/restart the server)

As default there is a time windows of 20s, see https://support.microsoft.com/en-us/kb/146092 . But I need up to 5min to end a critical transaction.

Answer 1

At least if you are running as a windows service you can request additional time for the current operation.