How To Fix HL660 - Successful connection test with RFC destination: '&1'

HL660 - Overview

• Message type: E = Error

• Message class: HL - IWB: Help Links

• Message number: 660

• Message text: Successful connection test with RFC destination: '&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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Smart SAP Assistant

• What is the cause and solution for SAP error message HL660 - Successful connection test with RFC destination: '&1' ?

  The SAP error message HL660 indicates that a successful connection test was performed with the specified RFC (Remote Function Call) destination, denoted by &1. This message is typically informational rather than an error, meaning that the connection to the RFC destination is functioning correctly.
  
  Cause:
  
  The message HL660 is generated when you test an RFC destination in SAP, and the test is successful. It confirms that the connection settings (like the target system, user credentials, and network settings) are correctly configured and that the SAP system can communicate with the specified destination.
  
  
  Solution:
  Since HL660 indicates a successful connection, there is no action required to resolve an error. However, if you are expecting an error or if you are troubleshooting a different issue, consider the following steps:
  
  
  Verify RFC Destination Configuration: Ensure that the RFC destination is configured correctly in transaction SM59. Check the connection parameters, such as the target host, system number, client, user,