How To Fix D4657 - DST-Switch not configured on host &1. File &2 not found on host &3

SAP Error Message - Details

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 657

• Message text: DST-Switch not configured on host &1. File &2 not found on host &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D4657 - DST-Switch not configured on host &1. File &2 not found on host &3 ?

  The SAP error message D4657 indicates that there is an issue with the Daylight Saving Time (DST) configuration on the specified host. The message specifically states that the DST switch is not configured, and it also mentions that a particular file is not found on the specified host.
  Cause:
  
  DST Configuration Missing: The host does not have the necessary configuration for Daylight Saving Time, which is required for proper time management in SAP systems.
  File Not Found: The file mentioned in the error message is missing from the specified host. This file is likely related to the DST configuration or time zone settings.
  
  Solution:
  
  
  Check DST Configuration:
  
  Ensure that the DST settings are correctly configured on the host. This may involve checking the operating system settings or the SAP system settings related to time zones and DST.
  You can use transaction code STZAC in SAP to check and configure time zones and DST settings.
  
  
  
  Verify File Existence:
  
  Check if the file mentioned in the error message exists on the specified host. If it is missing, you may need to restore it from a backup or reinstall the necessary components.
  The file could be related to the time zone or DST configuration, so ensure that the relevant files are present in the expected directories.
  
  
  
  Update Time Zone Settings:
  
  If the host is running on a specific operating system, ensure that the time zone and DST settings are correctly set at the OS level. This may involve using system commands or configuration files depending on the OS.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes or documentation related to DST configuration for your specific SAP version. There may be specific steps or patches required to resolve this issue.
  
  
  
  Restart Services:
  
  After making changes to the configuration, it may be necessary to restart the SAP services or the host to apply the new settings.
  
  
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to DST configuration issues.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  Time Zone Database: Ensure that the time zone database is up to date, as outdated time zone information can lead to DST-related issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.