Microsoft IIS 6: Improving stability in production environment
To improve stability in production environment take the following steps:
- Open Microsoft IIS Manager
- Open the dialog Properties of the application pool, that you are using
- You should disable the following properties:
- On the tab Recycling:
- Recycle worker processes (in minutes)
- Recycle worker process (number of requests)
- Maximum virtual memory (in megabytes)
- Maximum used memory (in megabytes)

- On the tab Performance
- Shutdown worker processes after being idle for (time in minutes):

- On the tab Performance change the setting Maximum number of worker processes to 1.
- On the tab Recycling enable the property Recycle worker processes at the following times, and schedule the times to occur during system maintenance hours.