How To Fix ESH_ZERO_DOWNTIME001 - System is not running on a bridge schema

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ZERO_DOWNTIME - Zero Downtime

• Message number: 001

• Message text: System is not running on a bridge schema

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 ESH_ZERO_DOWNTIME001 - System is not running on a bridge schema ?

  The SAP error message ESH_ZERO_DOWNTIME001 indicates that the system is not running on a bridge schema, which is a requirement for certain operations related to the SAP Enterprise Search (SAP ESH) and Zero Downtime Maintenance (ZDM) scenarios. This error typically arises when you are trying to perform a maintenance operation that requires the system to be configured in a specific way.
  Cause:
  
  Bridge Schema Not Configured: The system is not set up with a bridge schema, which is necessary for certain maintenance activities that allow for zero downtime.
  Incorrect System Configuration: The system may not be properly configured to support the required operations, possibly due to missing steps in the setup process.
  Version Compatibility: The version of the SAP system may not support the bridge schema or the specific operation you are trying to perform.
  
  Solution:
  
  
  Check Bridge Schema Configuration:
  
  Ensure that the bridge schema is correctly configured in your SAP system. This may involve checking the database settings and ensuring that the necessary components are installed and activated.
  
  
  
  Follow SAP Documentation:
  
  Refer to the official SAP documentation for Zero Downtime Maintenance and ensure that all prerequisites and configuration steps have been followed correctly. This documentation will provide detailed instructions on how to set up the bridge schema.
  
  
  
  System Upgrade:
  
  If your system version does not support the bridge schema, consider upgrading to a version that does. Check the SAP Product Availability Matrix for compatibility.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that address this specific error message. SAP Notes often contain fixes, workarounds, or additional configuration steps that can resolve the issue.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue through the above steps, consider reaching out to SAP Support for assistance. They can provide guidance based on your specific system configuration and requirements.
  
  
  
  Related Information:
  
  Zero Downtime Maintenance (ZDM): This is a maintenance approach that allows for system upgrades and changes without requiring downtime, which is critical for businesses that need to maintain continuous operations.
  Bridge Schema: A bridge schema is a temporary database schema that allows for the separation of the old and new versions of the database during an upgrade or maintenance operation.
  SAP Enterprise Search (ESH): This is a search solution that allows users to search across various SAP applications and data sources.
  
  By ensuring that your system is properly configured with a bridge schema and following the necessary steps outlined in SAP documentation, you should be able to resolve the ESH_ZERO_DOWNTIME001 error.