'IIS Dotnet 6 Web Api has a HttpRequestException every morning
I have a .Net 6 Web Api that uses the PnP Core Sdk to communicate with a Sharepoint Online Server (365 Cloud). The Web Api is registered in AAD, has Application permissions for the Sharepoint Rest Api / MS Graph and uses a Certificate for authorization. When I run the process as a user it works for several days without issues, but when I deploy it with IIS 10 on Windows Server 2016 Datacenter I get a HttpRequestException every morning and have to manually recycle the application pool or restart the Application. Otherwise it does not work anymore. I have attached the logs for the exception. I am not very familiar with IIS and are not able to resolve the error. Can somebody provide help?
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