IIS websites use all the available CPU power by default. There are application pool settings you can play around if you want to limit the CPU usage or you want to assign specific processors to specific websites.
IIS applications run on application pools. Application pools receive requests and process them based on the settings defined. One of the settings is application pool identity. This is the account that runs application pool and perform required tasks. You may come across to this error message while trying to set a custom account as application pool identity: “Value does not fall within the expected range.“
This error occurs only if you are specifying a custom account and not using any predefined accounts such as
The exact error message:
There was an error while performing this operation. Details: Value does not fall within the expected range.