401 error Unauthorized while trying to log in

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Hi Androsh,

if I noticed it correctly you are using the address http://webcon.pl for the BPS portal.

I find it strange, that you get a Windows Authentication window at all. After a new installation only the custom authentication "Admin access" is enabled and the windows authentication needs to be enabled in the designer studio afterwards.
Therefore I'm assuming, that the request does go to a different server. Did you configure the DNS or at least the hosts file on the server that webcon.pl is pointing to the server?

Btw. even if this is a local system, I advise against using an unsecured connection.

Best regards,
Daniel

Thank you for your response,

Hosts file on Windows was modified so that webcon.pl points to my local IP address along with localhost.

As for using https, you are absolutely right, for now I just use http for dev/debug purposes.

In attached first image this specific window is browser authentication, I only get Windows Auth popup when login via browser is disabled in Portal Authetication login page in WEBCON Designer Studio.

Hi Androsh,

can you check the IIS whether the WEBCONBPS website is running? Maybe the standard website is running instead of the WEBCONBPS because they are both using port 80.

Best regards,
Daniel

Hi Androsh,

There is a known bug on version 2026 which makes Admin access authentication impossible if Portal is running on HTTP.
There are two workarounds:
- obtaining an SSL certificate, updating IIS bindings and Portal address to https
- configuring Active Directory as an authentication provider and user synchronization source via setup.exe -> Tools for application management, then granting your AD account admin privileges via WEBCON BPS System Administrators (see https://community.webcon.com/posts/post/admin-access/589/3 ). Restarting Workflow Service and IIS may be required in this case.

Problem should be fixed in upcoming 2026.1.3 patch.
Sorry for the inconvenience.