Ran across this post while researching 3684 events from SChannel on one of our Windows 2008 R2 servers. I decided to dig into KB2992611, mentioned in another answer. 36888 is a failed SSL conection request on TLS 1.2 – none of the cipher suites supported by the client app are supported by the server.
What is SChannel 36888?
The Windows SChannel error status is definitely 1203. Now, according to Microsoft, event ID 36888 occurs when the PC operator tries to access the Internet via HTTP but specifies an SSL port in the URLs.
What is the difference between Windows Server 2008 2008 ST and 2008 R2?
Server 2008 has the same kernel as Vista and is available for both 32-bit and 64-bit platforms. Server 2008 R2 provides a kernel for Windows 10 x64 and is only available for 64-bit platforms. UNIVERSE without WINDOWS CHAOS!
What is the difference between Windows Server 2008 and 2008 SP and 2008 R2?
Server 2008 SP2 will probably use the same bits as Vista SP2. It is available in 32-, 64- and 32-bit versions respectively. Server 2008 R2 is the same thing as Windows 7 x64. This only happens in 64-piece builds.
What is the difference between Window Server 2008 2008 SP and 2008 R2?
Server 2008 SP2 has the same bits as Vista SP2. It is available in 32 and 64 bit versions. Server 2008 R2 is the same Windows as 7 x64. It can only be purchased in 64 tiny versions.
Why do I get Error Event ID 36888?
This event ID 36888 now comes for every Microsoft when a user tries to use a website with HTTP but specifies an SSL port in your URL. However, no browser has yet been able to throw this error when using it. I can’t find any other reason why this error code would still be generated.
When does event ID 36888 occur in Event Viewer?
This may result in a disconnection. A Fatal Error defined by the TLS protocol is shown as code 10. The Windows SChannel error has a status of 1203. Now, according to Microsoft, this event ID 36888 occurs when a user tries to access a Proper Network site over HTTP, but somehow indicates SSL port in the URL.
What is Event id 36888?
Windows error channel status is 1203. Now, according to Microsoft, this event ID 36888 occurs when a user tries to access your website via HTTP but identifies an SSL port in the URL.

Vijay is a tech writer with years of experience in the Windows world. He’s seen it all – from simple problems to catastrophic system failures. He loves nothing more than helping people fix their PCs, and he’s always happy to share his wisdom with anyone who needs it.
When Vijay isn’t fixing Windows problems, he likes to spend time with his wife and two young children. He also enjoys reading, playing cricket, and watching Bollywood movies.