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I was using .NET for development an SAP application but recently, it always shows me the message below:
failed to call remote function module
I didn’t change any setting or source code. But it still has the problem.
Anyone can tell me how to solve?
Did you communicate the problem with the sap dev team? Make sure the function module is working correctly and it’s remote call enabled.
Is there a firewall between you .NET application and sap system? Make sure port 3301(I’m not sure about port number, please find it in sap jco document) is open on firewall.