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Questions tagged [schannel]

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Domain Controller wont Replicate. SChannel issue. Clients cant join domain

I've got an issue with a PDC for a tree domain in our AD forest. It cannot replicate to the other DC's and it's clients are losing trust with the domain and cannot be reset using Test-computersecurechannel -repair and I cannot join/rejoin clients…
Coldsweat25
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SChannel error: The following fatal alert was received: 80 error code 0x80090304

While investigating an issue where some customer requests are being unexpectedly rejected with HTTP 403, I noticed that the Windows event log contains a lot of these errors for source Schannel. EventID 36887 The following fatal alert was…
Guillaume CR
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An unknown connection request was received from a remote client application, but none of the cipher ..... The SSL connection request has failed

I am getting too frequent errors in my System Error Logs : An unknown connection request was received from a remote client application, but none of the cipher suites supported by the client application are supported by the server. The SSL…
khalidmehmoodawan
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Using a third-party certificate with Active Directory without certificate request

The customer wants to use a COMODO signed TLS certificate for LDAPS on a Windows Server 2012 R2 domain contoller. The certificate was already purchased but the CSR wasn't created on the domain controller (as per…
ercpe
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ADFS v3 on Windows Server 2012 R2 rejects SSLv3 requests

I faced an issue with ADFS v3 running on Windows Server 2012 R2 When client which is restricted to use SSLv3 only accesses the ADFS site url, the request fails. The same thing works when using ADFSv2 on 2008 R2. The thing I noticed is ADFSv3 is…
Mr Cuco
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Schannel Event ID 36888 and 36884 Certificate Error

I'm receiving the two following errors every ~60 seconds on a Windows 2008R2 SP1 Server running SQL Server 2008R2: First: Log Name: System Source: Schannel Date: 5/25/2016 9:23:02 AM Event ID: 36888 Task Category:…
Justin Russell
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Fatal schannel issue "A fatal alert was received from the remote endpoint. The TLS protocol defined fatal alert code is 51"

Recently working on a vps Windows 2012r2 server. Ran into a fatal schannel issue. A fatal alert was received from the remote endpoint. The TLS protocol defined fatal alert code is 51. Tracked this back to a KB2992611 which was installed on the…
tdev
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TLS 1.0 handshake fails in Windows Server 2012 R2

I am using Windows Server 2012 R2 to contact AWS services, namely https://elasticbeanstalk.eu-central-1.amazonaws.com/. However, the AWS toolkit for Visual Studio as well as Internet Explorer 11 fail to establish the TLS 1.0 connection to this…
Vladimir Lapacek
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