Troubleshooting RFC Communication error SAP_CMINIT3 : rc = 20

iNetConnector SAP_CMINIT3 : rc = 20 > error is due to Process Runner not being able to communicate with the SAP System Server. You have to assure that the appropriate network ports are open and check whether the system which you are accessing is up and running.

Once the Telnet is enabled, perform the following steps:

(By default, Telnet Client is not enabled in Windows 7. Click here to enable Telnet Client on Windows 7.)

1.Open SAP logon pad, select the desired SAP instance and click Change Item.

      Copy the IP address mentioned in the Application server. Also, consider the system number of the instance.

2.Open the Command Prompt in your Windows system.

3.Enter Telnet, followed by the IP address of the Application Server and 32XX and 33XX where XX is the system number of SAP instance. See below.

4.If the connection is successful, you will get a blank screen with blinking cursor.

     If you get the connection failed screen, your screen will look like this.

5.You have to check the connectivity for the both the ports , i.e. for 32XX and 33XX.

6.If any of the connections fails, kindly communicate with your IT Networking team and ask them to open both the ports.

If your issue is not resolved, please contact support@innowera.com with the error screenshot and an explanation of what you have already tried.

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Troubleshooting RFC Communication error 27