Outlook Web App couldn't initialize. Invalid forms registry file %1 Line number = %2 Position = %3. Message = %4. The forms ...

Outlook Web App couldn't initialize.

Invalid forms registry file %1  Line number = %2  Position = %3. Message = %4.

The forms registry is a critical component of Outlook Web App. If this error isn't addressed, users might not be able to access Outlook Web App. The Help and Support Center provides information about troubleshooting the forms registry.