ASP.Net error: “The identity of application pool is invalid”

Question

My ASP.Net web service cannot run because the application pool is unable to start due to the identity crisis it\'s experiencing.

The user I\'m using in the app pool is a

Answer 1

Another minor thing worth mentioning might be that, if it is a new user account created by an administrator, a default policy might apply like 'change your password at first logon'. If that is the case and that logon has not yet happened, this will also effectively block the user account from running your service.

This does not apply to the OP's case since he mentions he can login interactively using the account, but I ran into this today and somebody else might too.