How To Fix GCS099 - &

SAP Error Message - Details

• Message type: E = Error

• Message class: GCS - SAP Consolidation: Validations

• Message number: 099

• Message text: &

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 GCS099 - & ?

  The SAP error message GCS099 typically relates to issues with the Global Cache Service (GCS) in a distributed SAP system environment, particularly in systems using the SAP NetWeaver Application Server. This error can occur due to various reasons, including configuration issues, network problems, or resource limitations.
  Cause:
  
  Network Issues: Problems with the network connectivity between application servers can lead to GCS errors.
  Configuration Errors: Incorrect settings in the SAP system configuration, particularly in the instance profiles or the GCS settings.
  Resource Limitations: Insufficient memory or CPU resources on the application servers can cause GCS to fail.
  Lock Contention: High contention for locks in the GCS can lead to timeouts and errors.
  Version Mismatch: Inconsistent versions of SAP components across different application servers can lead to communication issues.
  
  Solution:
  
  Check Network Connectivity: Ensure that all application servers can communicate with each other without any network issues. Use tools like ping or traceroute to diagnose connectivity.
  Review Configuration: Check the instance profiles and GCS settings in the SAP system. Ensure that they are correctly configured according to SAP guidelines.
  Monitor System Resources: Use transaction codes like SM50 or SM66 to monitor the workload and resource usage on the application servers. If resources are low, consider scaling up the hardware or optimizing the workload.
  Analyze Lock Contention: Use transaction SM12 to check for lock entries and identify any contention issues. If necessary, resolve the locks that are causing contention.
  Check SAP Notes: Look for relevant SAP Notes that address GCS errors. SAP frequently releases updates and patches that may resolve known issues.
  Restart GCS: In some cases, restarting the GCS or the affected application server may resolve transient issues.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, providing them with detailed logs and error messages.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), ST22 (Dump Analysis), and SM37 (Job Monitoring) to gather more information about the error.
  SAP Documentation: Refer to the official SAP documentation for detailed information on GCS and its configuration.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to diagnose and resolve the GCS099 error in your SAP environment.