How To Fix DB6PM422 - Conversion is only allowed for regular DMS tablespaces

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6PM - DB2 UDB for UNIX, Windows: Performance Monitoring

• Message number: 422

• Message text: Conversion is only allowed for regular DMS tablespaces

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 DB6PM422 - Conversion is only allowed for regular DMS tablespaces ?

  The SAP error message DB6PM422 indicates that a conversion operation is being attempted on a tablespace that is not a regular DMS (Database Managed Space) tablespace. This error typically arises in the context of database management and can occur during operations such as resizing or converting tablespaces.
  Cause:
  The primary cause of this error is that the operation you are trying to perform (like converting a tablespace) is only applicable to regular DMS tablespaces. If the tablespace in question is a different type (for example, a LMT - Locally Managed Tablespace), the conversion operation will not be permitted, leading to this error message.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Tablespace Type: Verify the type of the tablespace you are trying to convert. You can do this by querying the database metadata. For example, in Oracle, you can use:
  SELECT tablespace_name, extent_management FROM dba_tablespaces WHERE tablespace_name = 'YOUR_TABLESPACE_NAME';
  
  
  Use Regular DMS Tablespaces: If you need to perform a conversion, ensure that you are working with a regular DMS tablespace. If the current tablespace is not of this type, you may need to create a new DMS tablespace and migrate your data to it.
  
  
  Migration: If you need to convert a non-DMS tablespace to a DMS tablespace, you may need to:
  
  Create a new DMS tablespace.
  Move the objects from the old tablespace to the new one using the ALTER TABLE ... MOVE command or similar methods.
  Drop the old tablespace if it is no longer needed.
  
  
  
  Consult Documentation: Refer to the SAP and database documentation for specific instructions on managing tablespaces and the limitations of conversion operations.
  
  
  Database Administration Tools: Use database administration tools or SAP transaction codes that can help manage tablespaces effectively.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error.
  Database Documentation: Review the documentation for your specific database (e.g., Oracle, DB2, etc.) for details on tablespace management.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to address the DB6PM422 error and successfully manage your tablespaces in SAP.