Internet Information Services
Microsoft web server software.
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There is a client application that send http-requests to the IIS web-service with ISAPI extension every second. Authentication is performed using the NTLM protocol. Stable every 15 minutes, connection cannot be established due to HTTP-code 401. ISAPI extension return error 0x8009030e SSPI-function InitializeSecurityContext. What could be the problem? Maybe 15 minutes is TTL any ticket or credential cache?
@Игорь Арасланов It is difficult to reproduce your problem based on your description, I suggest you try to use failed request tracking to view detailed error information.