How To Fix T9118 - System time zone cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: T9 - Time zones/streams

• Message number: 118

• Message text: System time zone cannot be changed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message T9118 - System time zone cannot be changed ?

  The SAP error message T9118, which states "System time zone cannot be changed," typically occurs when there is an attempt to change the time zone settings of an SAP system that is not allowed due to various reasons. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  System Configuration: The time zone of an SAP system is often set during the installation process and is tied to the system's configuration. Changing it later can lead to inconsistencies in time-related data.
  User Permissions: The user attempting to change the time zone may not have the necessary authorizations to perform this action.
  System Type: Some systems, especially production systems, may have restrictions in place to prevent changes to critical settings like the time zone.
  Active Sessions: If there are active sessions or processes that depend on the current time zone, the system may prevent changes to avoid disruptions.
  
  Solution:
  
  Check Authorizations: Ensure that the user has the necessary permissions to change the time zone. This typically requires administrative rights.
  System Settings: If you are an administrator, check the system settings in transaction RZ10 or RZ11 to see if the time zone can be modified. Note that changes may require a system restart.
  Consult Documentation: Review the SAP documentation or notes related to your specific version of SAP to understand the implications of changing the time zone.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production system.
  Change in Development/Quality System: If you need to change the time zone for testing purposes, consider doing it in a development or quality assurance system instead of a production environment.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions for this error message.
  System Time Zone Settings: The time zone can be set in the SAP system profile parameters. The parameter timezone can be checked and modified if necessary.
  Impact of Time Zone Changes: Be aware that changing the time zone can affect scheduled jobs, timestamps in logs, and other time-sensitive data. It is crucial to assess the impact before making any changes.
  
  Best Practices:
  
  Always back up your system before making significant changes.
  Test changes in a non-production environment first.
  Document any changes made to the system configuration for future reference.
  
  By following these guidelines, you should be able to address the T9118 error effectively.