00221 - Communication terminated

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 221

• Message text: Communication terminated

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 00221 - Communication terminated ?

  The SAP error message "00221 Communication terminated" typically indicates that there has been a disruption in the communication between the SAP system and the client or between different components of the SAP system. This can occur due to various reasons, including network issues, configuration problems, or system resource limitations.
  Causes:
  
  Network Issues: Problems with the network connection, such as timeouts, disconnections, or high latency.
  System Resource Limitations: Insufficient memory or CPU resources on the server can lead to communication failures.
  Configuration Errors: Incorrect settings in the SAP system or in the network configuration can cause communication problems.
  Firewall or Security Settings: Firewalls or security settings may block the communication between the SAP client and server.
  SAP Kernel Issues: Bugs or issues in the SAP kernel or application server can lead to communication errors.
  Database Issues: Problems with the database connection or database server can also result in communication termination.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the client and the SAP server is stable. Use tools like ping or traceroute to diagnose network issues.
  Review System Resources: Monitor the server's CPU and memory usage. If resources are low, consider optimizing the system or upgrading hardware.
  Verify Configuration Settings: Check the SAP configuration settings, including the instance profile and network settings, to ensure they are correct.
  Firewall Settings: Review firewall settings to ensure that the necessary ports for SAP communication are open.
  Update SAP Kernel: If the issue persists, consider updating the SAP kernel to the latest version, as it may contain fixes for known bugs.
  Check Database Connections: Ensure that the database is running properly and that the connection settings in SAP are correct.
  Review SAP Logs: Check the SAP system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages that may provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Monitoring Tools: Utilize SAP monitoring tools like Solution Manager to proactively monitor system health and performance.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.