ONVIF device configuration failure

I have five cameras (Hikvision DS-2CD2155FWD-I, DS-2CD2185FWD-I, DS-2CD2385FWD-I, 2x Annke I91BF).
All of them are on the (as far as I know) newest firmware V5.6.820 build 220519.
Four of them are easily integrated via ONVIF.
But the second Annke Camera always comes with this error:

Could not authenticate: The action requested requires authorization and the sender is not authorized (code:env:Sender) (subcodes:{http://www.onvif.org/ver10/error}NotAuthorized)

Username and Password are definitely correct. I’m able to log in via the WebUI of the camera without any problems.
I also checked the configuration of the secong Annke camera. It’s exactly the same as the configuration of the working one.

I’m really desperate. :frowning:

Any ideas what the problem might be?

SOLVED

I’m sorry. I was so stupid. WebUI Username was admin and ONVIF Username was Admin.

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