In IIS when you select Application Pools, IIS will display all the application pools with their names and the Account associated to the Application Pool for those Engineers out there wanting to retrieve the application pool service accounts password follow these easy instructions… easy as 123
1. Open up Powershell as Administrator
2. type cd C:\Windows\System32\inetsrv
3. Type the following:
.\appcmd.exe list apppool “Application Pool Name” /text:*
be sure to change “Application Pool Name” to your Application pool you are after
This will give you a long list of output, scroll down a little and you will see the Password field.