Summary

When attempting to access the App Portal Site, HTTP Error 500.19 is encountered

Symptoms

When attempting to access the App Portal Site, an error similar to this may appear:

Cause

A section in IIS has been locked that needs to be unlocked. Usually, the "Config Source" of the error will give you an indication of which section is locked

Resolution

To unlock a section at the Default Web Site level,

1. Using IIS Manager, select Default Web Site under the Sites view
2. Under the Management section, select Configuration Editor
3. The section talked about in the "Config Source" of the error page is where you should start to unlock.
4. In the Section field, select the error section
5. Select "Unlock Section."