How To Fix /ISDFPS/SYNC066 - Testing the network connection for &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/SYNC -

• Message number: 066

• Message text: Testing the network connection for &1 &2

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 /ISDFPS/SYNC066 - Testing the network connection for &1 &2 ?

  The SAP error message /ISDFPS/SYNC066 typically indicates an issue with the network connection when trying to synchronize data between systems or components in the SAP landscape. This error is often encountered in scenarios involving SAP Data Intelligence, SAP Landscape Management, or other SAP systems that require network connectivity for data synchronization.
  Cause:
  
  Network Connectivity Issues: The most common cause is a failure in the network connection between the systems involved. This could be due to network outages, misconfigured firewalls, or incorrect network settings.
  Incorrect Configuration: The systems may not be configured correctly for communication. This includes incorrect hostnames, IP addresses, or ports.
  Service Availability: The service or application that is supposed to respond to the connection request may not be running or may have crashed.
  DNS Resolution Issues: If the systems are trying to communicate using hostnames, there may be issues with DNS resolution.
  
  Solution:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the systems can reach each other over the network.
  Ensure that there are no network outages or disruptions.
  
  
  
  Verify Configuration:
  
  Check the configuration settings in the SAP system for the correct hostnames, IP addresses, and ports.
  Ensure that the systems are configured to communicate with each other correctly.
  
  
  
  Check Service Status:
  
  Ensure that the necessary services are running on both systems. Restart any services that may have stopped unexpectedly.
  
  
  
  Firewall and Security Settings:
  
  Review firewall settings to ensure that they are not blocking the required ports for communication.
  Check any security settings that may prevent the systems from communicating.
  
  
  
  DNS Configuration:
  
  If using hostnames, verify that DNS is correctly configured and that the hostnames can be resolved to the correct IP addresses.
  
  
  
  Logs and Traces:
  
  Check the SAP application logs and traces for more detailed error messages that can provide additional context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the specific components you are working with to ensure that all prerequisites and configurations are met.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to engage SAP support for further assistance.