The ARA Execution with status Waiting for Start Time does not activate at the designated time
When a user logs in and views the execution menu which lists all the execution, after a short time, the execution will automatically get triggered with no intervention from the user.
There could be some configurations with application pool recycle of IIS running Deployment Manager that cause the issue.
The problem is that an execution only can start at a time the IIS worker process is running. Per default the Idle timeout in IIS is set to 20 minutes. This means that after an idle time of 20 minutes the worker process is terminated
Solution 1: Deactivate Idle Timeout and Automatic Application Pool Recycle
Solution 2: Using the Application Initialization Module:
Please find in the attachment how to implement these solutions.