When configuring ZTSA Internet Access with both on-prem gate and network, users may encounter an error when attempting to log in to Microsoft. The error message reads as follows:

Sorry, but we’re having trouble signing you in. : Application with identifier '' was not found in the directory 'Bell Financial Group'. This can happen if the application has not been installed by the administrator of the tenant or consented to by any user in the tenant. You may have sent your authentication request to the wrong tenant.

To resolve this issue, add the app from the list under . This will allow end users to access and use the proxy without encountering any errors.