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  • IIS SSL Cert Binding Randomly Disappears

    Jun 19, 2018 09:50 PM|jrgonzalez|LINK

    Hello, 

    I have multiple Windows Servers various platforms like 2012 R2 and 2016 . On these various servers most are running IIS 10 but some are running IIS 7.5 or IIS 8. Each one of these servers are running an SCCM Distribution Point which creates a couple of websites for software packages. 

    I have noticed that just about every Distribution Point I have will randomly lose its SSL CERT binding. When this happens clients cannot reach the website and download its software. 

    In the event logs I have noticed the following events right before the SSL binding disappears:

    Event ID: 5186

    Source: WAS

    A worker process with process id of '6536' serving application pool 'SMS Distribution Points Pool' was shutdown due to inactivity. Application Pool timeout configuration was set to 20 minutes. A new worker process will be started when needed.

    Then I see the following:

    Event ID: 15300

    Source: HTTPEVENT

    SSL Certificate Settings deleted for endpoint : 0.0.0.0:443 .

    Any help or guidance would be much appreciated.