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The TLS protocol defined fatal error code is 10. The Windows SChannel error state is 1203.

Anonymous
2019-10-17T18:57:43+00:00

OS: Windows Server 2012 R2 Standard  (64 bit)

I didn't find a good explanation of why this happens and how to resolve it.

Could someone help?

Schannel Event 36888 System NT AUTHORITY\SYSTEM 10/17/2019 08:35:04 Google A fatal alert was generated and sent to the remote endpoint. This may result in termination of the connection. The TLS protocol defined fatal error code is 10. The Windows SChannel error state is 1203.

Windows for home | Other | Internet and connectivity

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  1. Anonymous
    2019-10-17T20:02:29+00:00

    Hi, AfonsoAlves1

    My name is Marc, thanks for participating in the Microsoft Community, I'm an Independent Advisor and I'll be glad to help you today.

    Check if you have TLS enabled

    1. Press the Windows + R keys
    2. In the Open box type: control inetcpl.cpl and press Enter
    3. In the Internet Properties panel, open the Advanced tab
    4. In the configuration window, go down to the bottom and activate the boxes:

    Use SSL 2.0

    Use SSL 3.0

    Use TLS 1.0

    Use TLS 1.1

    Use TLS 1.2

    1. Click Apply and OK to close the Internet Properties.

    It is also possible that the problem may be caused by some antivirus, antispyware, third-party firewall or other programs that interfere with access to secure connections

    Regards,

    Marc M.

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  2. Anonymous
    2019-10-17T20:51:07+00:00

    I applied the changes. The problem is the number of logs I have and no details on the XML log in Event Viewer.

    I can't find a good correlation to really determine the root cause yet.

    Let's see if this simple fix resolved the issue.

    Thanks Marc M.

    1 person found this answer helpful.
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  3. Anonymous
    2019-10-18T05:54:54+00:00

    Your question is beyond the scope of these Forums

    This Community is mainly for home users and their computer problems, not business systems.

    Kindly post your question in the TechNet Server Forums.

    http://social.technet.microsoft.com/Forums/windowsserver/en-US/home?category=windowsserver

    TechNet Forums:

    https://social.technet.microsoft.com/Forums/en-US/home

    MSDN Forums:

    https://social.msdn.microsoft.com/Forums/en-US/home

    Cheers.

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  4. Anonymous
    2019-10-17T21:19:11+00:00

    Hopefully, the problem has been resolved

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