How To Fix DB6521 - The DFT_MON_SORT switch is not set

DB6521 - Overview

• Message type: E = Error

• Message class: DB6 - DB6: Alert Monitoring and Alert Configuration

• Message number: 521

• Message text: The DFT_MON_SORT switch is not set

Copy of DB6 519

What causes this issue?

To allow meaningful monitoring of the database, you must activate this
switch.

System Response

If this switch is not set, it can lead to problems ranging from
restricting the function of the CCMS transactions to erroneous
terminations.

How to fix this error?

Activate the switch by setting the appropriate database manager
parameters using the following command:
<LB>UPDATE DBM CFG USING DFT_MON_SORT ON </>
The setting will become active at the next connection to the database.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB6521 - The DFT_MON_SORT switch is not set ?

  The SAP error message DB6521, which states "The DFT_MON_SORT switch is not set," typically relates to issues with database monitoring and performance analysis in SAP systems. This error is often encountered when the database monitoring features are not properly configured or when certain settings are not enabled.
  
  Cause:
  The error occurs because the DFT_MON_SORT switch, which is used for sorting in database monitoring, is not activated. This switch is essential for certain monitoring functionalities to work correctly, particularly when analyzing performance metrics or executing specific database queries.
  
  Solution:
  To resolve the DB6521 error, you can follow these steps:
  
  
  Check Database Configuration:
  
  Ensure that the database monitoring settings are correctly configured in your SAP system. This may involve checking the database parameters and ensuring that the DFT_MON_SORT switch is enabled.
  
  
  
  Enable the DFT_MON_SORT Switch:
  
  Depending on your database system (e.g., Oracle, SQL Server, HANA), you may need to enable the DFT_MON_SORT switch through the database configuration settings. This often