29. May 2011 08:28

Service Unavailable after error in upgrade process

Filed Under(CRM 2011) By ckokely

Receiving a service unavailable response on a website usually indicates, that the application pool of the site is not running.

To solve this issue, open your InternetInformation Management and verify all required app pools are started.


The page content would look like this:

Service Unavailable

HTTP Error 503. The service is unavailable.


Embedded in CRM the error would look like

Figure 1: Service Unavailable error message

The issue can be caused by problems during the upgrade, because upgrading stops the app pool in order to avoid issues with files in use.

That’s it! We appreciate your feedback! Please share your thoughts by sending an email to support@mscrm-addons.com.

Tag Cloud

This will be shown to users with no Flash or Javascript.

Page List