Strange screen lock behaviour after upgrade to K13

J P asked on July 26, 2021 12:26

I wonder if anyone else has run into this problem. After upgrade the CMS screen lock works as normal if the lock time is set to about 10 minutes.

However if screen lock is set to 20 minutes (what it's always been) it never locks.

This started happening after our otherwise successful upgrade from Kentico 12 MVC to Kentico 13 MVC.

I have the web.config session timeout set to 21 minutes.

When I set screen lock to 10 minutes I can see requests going to /admin/cmsadministration.aspx with these type of responses:

1) 940|{unintelligible encoded string /hash}=valok|40

2) 940|{unintelligible encoded string /hash}=showWarning|19

3) 940|{unintelligible encoded string /hash}=lockScreen

Which results in the screen being locked.

When set screen lock to 20 minutes I get another call that happens to

/Kentico.VirtualContext/Authenticate?

which responds with

HTTP/1.1 200 OK Cache-Control: private Content-Type: text/html Server: Microsoft-IIS/10.0 X-AspNetMvc-Version: 5.2 X-AspNet-Version: 4.0.30319 X-Powered-By: ASP.NET Date: Mon, 26 Jul 2021 09:52:40 GMT Content-Length: 0

then the subsequent calls to /admin/cmsadministration.aspx come back with 940|{unintelligible encoded string /hash}=hideWarning|880

And it never locks.

I can't see any errors in JavaScript or in fiddler...does anyone know what could be wrong?

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