How To Fix SZDM_LOCK819 - MS subsystem separation not activated. Error &1

SZDM_LOCK819 - Overview

• Message type: E = Error

• Message class: SZDM_LOCK - To be used for messages due to read only locks

• Message number: 819

• Message text: MS subsystem separation not activated. Error &1

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 SZDM_LOCK819 - MS subsystem separation not activated. Error &1 ?

  The SAP error message SZDM_LOCK819 indicates that the MS (Message Server) subsystem separation is not activated. This error typically arises in the context of SAP systems that are configured to use multiple application servers, and it relates to the locking mechanism used by the system.
  
  Cause:
  The error occurs when the system attempts to use a feature that requires the MS subsystem separation, but this feature is not enabled in the system configuration. This can happen due to:
  
  Configuration Settings: The MS subsystem separation may not be activated in the instance profile or the system parameters.
  System Version: The feature may not be supported in the current version of the SAP system you are using.
  Incorrect Setup: The setup of the SAP system may not be aligned with the requirements for using the MS subsystem separation.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Instance Profile:
  
  Go to the SAP system profile parameters (transaction RZ10).
  Look for