How To Fix TN308 - Import mode 'Downtime-minimized' activated

SAP Error Message - Details

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 308

• Message text: Import mode 'Downtime-minimized' activated

What causes this issue?

You activated the <LS>downtime-minimized</> import mode.
This import procedure was developed to minimize the downtime in
production systems during the import of OCS packages (Support Packages,
Add-On Installation Packages, and Add-On Upgrades).

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Read the documentation about the new
<DS:DT.TX_OCS_IMPORT_INACTIVE>downtime-minimized</> import mode.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TN308 - Import mode 'Downtime-minimized' activated ?

  The SAP error message TN308 indicates that the import mode "Downtime-minimized" has been activated during a transport import process. This mode is typically used to minimize system downtime during the import of transport requests, especially in production environments. However, it can lead to issues if not properly managed.
  Cause:
  The error TN308 can occur due to several reasons:
  
  Incompatible Objects: The transport request may contain objects that are not compatible with the current state of the system or other objects that are already in the system.
  Missing Dependencies: The transport may depend on other transports that have not been imported yet.
  Active Sessions: There may be active user sessions or processes that are locking objects that the transport request is trying to modify.
  System Configuration: The system may not be properly configured to handle downtime-minimized imports, leading to conflicts.
  
  Solution:
  To resolve the TN308 error, you can take the following steps:
  
  Check Transport Logs: Review the transport logs for detailed error messages that can provide insight into what is causing the issue.
  Verify Dependencies: Ensure that all dependent transports have been imported before attempting to import the current transport request.
  Release Locks: Check for any active sessions or processes that may be locking the objects being modified by the transport. You can use transaction codes like SM12 (for lock entries) to identify and release locks.
  Switch Import Mode: If the downtime-minimized mode is causing issues, consider switching to a standard import mode. This can be done by using the transport management system (STMS) and selecting a different import mode.
  Consult SAP Notes: Look for relevant SAP Notes that may address specific issues related to the TN308 error. SAP frequently updates its knowledge base with solutions for known issues.
  Test in Development: If possible, replicate the transport import in a development or quality assurance environment to identify and resolve issues before attempting in production.
  
  Related Information:
  
  Transport Management System (TMS): Familiarize yourself with TMS and its configuration, as it plays a crucial role in managing transports and their import modes.
  SAP Notes: Regularly check SAP Notes for updates or patches that may address known issues related to transport imports.
  Documentation: Review SAP documentation regarding transport management and downtime-minimized imports for best practices and guidelines.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.