How To Fix RSSDK012 - Error message &2 during test of TCP/IP connection &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSSDK -

• Message number: 012

• Message text: Error message &2 during test of TCP/IP connection &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSSDK012 - Error message &2 during test of TCP/IP connection &1 ?

  The SAP error message RSSDK012 indicates that there is an issue with the TCP/IP connection test for a specific connection in the SAP system. This error can occur for various reasons, and understanding the cause and potential solutions can help resolve the issue.
  
  Cause:
  
  Network Issues: The most common cause is a network connectivity problem between the SAP system and the target host. This could be due to firewalls, routing issues, or the target host being down.
  Incorrect Configuration: The TCP/IP connection might be incorrectly configured in the SAP system. This includes incorrect hostnames, IP addresses, or port numbers.
  Service Not Running: The service on the target host that the SAP system is trying to connect to may not be running or may not be listening on the specified port.
  DNS Resolution Issues: If the hostname cannot be resolved to an IP address, the connection will fail.
  Security Settings: Security settings, such as firewalls or security