One of my Web Applications shows error:

HTTP Error 503. The service is unavailable

I checked in IIS Application pool and started the respective services but the error still persist

How can I solve this?

2 Answers 2


The Issue is fixed now,

The Error is because of the service account credentials

Thanks pals for your inputs


Please check if there are some errors in the Event Viewer. It might give you a clue. In my situation I had to low memory. And the logs in Event Viewer told me about it.

  • Can you please extend this answer with more detail, to make it more useful? :) Sep 17, 2013 at 12:50

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.