Author: Ian Britz
When trying to access the Kepion Web Server you receive the error: HTTP Error 503. The service is unavailable.
A common cause for this error is that the password for the Kepion Service Identity has been changed. This is especially common if the Kepion SI is also a user account, rather than a dedicated service account. To resolve this:
1) From the Kepion Web Server machine, open Internet Information Services (IIS) Manager by searching for inetmgr from the Windows OS.
2) Select Application Pools, right click on Kepion Planning and select the option Advanced Settings...
3) Find the Identity option under Process Model and click on the "..." button.
4) Ensure you have Custom account selected, and click on the "Set..." button.
5) Enter the Kepion SI credentials. Should the username or password be incorrect, you will be prompted to correct them. The crendential should take the form of <domain>\<username>. Once correct, click OK through all the previously opened dialog windows.
6) The Kepion SI credential is now updated. Give your new settings a test by going to a browser and checking if Kepion is back online.
Security Policy Permissions
Another potential cause of this error is that the Kepion Service Identity is attempting to access the Web Server, but it doesn't have permission to Log on as a batch job in the Local Security Policy.
To configure this, open Local Security Policy:
Expand Local Policies, open User Rights Assignment, and right-click Log on as a batch job and select Properties.
Either add your Kepion SI credentials to the list below, or add them to one of the groups in the list to resolve the error.