Symptom
SAPMMC: NIECONN_REFUSED (WSAETIMEDOUT: Connection timed out),
NiRawConnect failed in plugin_fopen()
Checking Stop permission on http://hostname:5xxxx failed:
NIECONN_REFUSED (WSAETIMEDOUT: Connection timed out),
NiRawConnect failed in plugin_fopen()
Solution
Shutdown your SAP, database and restart the operating system (Windows). Then, bring them all up back. The error should be gone.
