Causes
One thing that can cause the Identity Server error is the "certificates" not being updated during the installation process. This error can happen on the server or the client.
Solution
For a possible resolution to the issue, follow the steps below:
On the AMS server navigate to C:\Program Files (x86)\Bosch Sicherheitssysteme\Access Management System\Certificates folder. Right click on the AccessCertificateTool.exe and select "run as administrator".
The following should come up:
Click in the output folder section and another window should come up with "save as" option. Leave everything default and select the save option:
Next select the "Generate" option. When it is completed you should see a screen similar to the one below. Select restart and then test visitor management on the server and/or the client again.
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