The specified 'redirect_uri' is not valid for this client application

The following error is displayed when you try to login on the Devolutions Server web page:

error:invalid_request
error_description:The specified 'redirect_uri' is not valid for this client application.
error_uri:https://documentation.openiddict.com/errors/ID2043

When attempting to login using Microsoft Entra ID authentication in Remote Desktop Manager, you may get the following error message instead:

Unable to login with Microsoft Entra ID. Please contact your administrator. Error: Object reference not set to an instance of an object.

Solution

The Access URI is case sensitive and must respect the certificate host name.

To solve these issues, verify that the Access URI is properly set in the IIS tab of the Devolutions Server settings. Please see Access URI for more information.