How To Fix /ISDFPS/SYNC122 - No network connection to &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/SYNC -

• Message number: 122

• Message text: No network connection to &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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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 /ISDFPS/SYNC122 - No network connection to &1 ?

  The SAP error message /ISDFPS/SYNC122 No network connection to &1 typically indicates that there is a communication issue between the SAP system and a specified server or service. The &1 placeholder usually represents the name of the server or service that the system is trying to connect to.
  Causes:
  
  Network Issues: There may be a problem with the network connection, such as a downed network, misconfigured network settings, or firewall rules blocking the connection.
  Server Unavailability: The target server or service may be down or not reachable due to maintenance or other issues.
  Configuration Errors: Incorrect configuration settings in the SAP system or the target server can lead to connection failures.
  DNS Issues: If the server name cannot be resolved to an IP address, it can lead to this error.
  Timeouts: The connection attempt may be timing out due to slow network performance or high latency.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to check if the target server is reachable from the SAP system.
  Verify that there are no network outages or issues affecting connectivity.
  
  
  
  Verify Server Status:
  
  Ensure that the target server or service is up and running. Check logs or monitoring tools to confirm its status.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings in the SAP system for any errors. This includes verifying the connection parameters, such as hostnames, ports, and protocols.
  Ensure that the relevant RFC destinations are correctly configured in transaction SM59.
  
  
  
  Check Firewall and Security Settings:
  
  Ensure that firewalls or security groups are not blocking the required ports for communication between the SAP system and the target server.
  
  
  
  DNS Resolution:
  
  Verify that the hostname can be resolved correctly. You can check this by using the nslookup command or similar tools.
  
  
  
  Increase Timeout Settings:
  
  If the connection is timing out, consider increasing the timeout settings in the SAP system or the network configuration.
  
  
  
  Consult Logs:
  
  Check the SAP application logs and system logs for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the specific module or service you are working with, as it may contain specific guidelines for troubleshooting connectivity issues.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the /ISDFPS/SYNC122 No network connection to &1 error in your SAP environment.