The following fatal alert was generated: 10. The internal error state is 1203.

Log Name: System
Source: Schannel
Date: x/xx/xxx xx:xx:xx xM
Event ID: 36888
Task Category: None
Level: Error
Keywords:
User: SYSTEM
Computer: xxxxxxx
Description:
The following fatal alert was generated: 10. The internal error state is 1203.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Schannel" Guid="{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx5C85}" />
<EventID>36888</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x8000000000000000</Keywords>
<TimeCreated SystemTime="xxxx-xx-xxTxx:xx:xx.xxxxxxxxxZ" />
<EventRecordID>xxxxxx9</EventRecordID>
<Correlation />
<Execution ProcessID="xxx" ThreadID="xxxx" />
<Channel>System</Channel>
<Computer>xxxx</Computer>
<Security UserID="Sx-x-x-xx" />
</System>
<EventData>
<Data Name="AlertDesc">10</Data>
<Data Name="ErrorState">1203</Data>
</EventData>
</Event>
Resolution : How to enable Schannel event logging in IIS < http://support.microsoft.com/kb/260729 >

Related :

What's New in TLS/SSL (Schannel SSP) <http://technet.microsoft.com/en-us/library/hh831771.aspx>
SSL/TLS communication problems after you install KB 931125<http://support.microsoft.com/kb/2801679>