Disconnected Agent Due To WinHTTP Communication Error 12019
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Article ID: 288835
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Updated On:
Products
Carbon Black App Control (formerly Cb Protection)
Environment
- App Control Server: All Supported Versions
- App Control Agent: All Supported Versions
- Microsoft Windows: All Supported Versions
Cause
Microsoft defines WinHTTP Error [12019] as:
ERROR_WINHTTP_INCORRECT_HANDLE_STATE: 12019
The requested operation cannot be carried out because the handle supplied is not in the correct state.
Typically this is due to the Proxy not allowing the connection.
Resolution
- Log in to the endpoint and use an administrative command prompt to temporarily stop and unload the Agent:
cd "C:\Program Files (x86)\Bit9\Parity Agent"
dascli password <GlobalPassword>
dascli tamperprotect 0
net stop parity
fltmc unload paritydriver
- Reset the Proxy:
netsh winhttp reset proxy
- Load the driver and start the Agent:
fltmc load paritydriver
net start parity
- Wait a few minutes and verify the connection was restored.
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