How To Fix SZDM_LOCK000 - Function locked, software update running in parallel.

SZDM_LOCK000 - Overview

• Message type: E = Error

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

• Message number: 000

• Message text: Function locked, software update running in parallel.

What causes this issue?

This function is currently not available because of a maintenance- or
upgrade procedure being in progress.

System Response

During a zero-downtime-upgrade or maintenance procedure, the standard
business processes and transactions are available while the less
frequently used functionalities of the system ? typically the
configuration activities ? may be blocked for the duration of the
upgrade. If standard business processes and transactions are not
available, then only for a few minutes while the system is being made
ready for use after a maintenance- or upgrade procedure.
The functionality you are trying to use is currently blocked due to an
upgrade or maintenance procedure.

How to fix this error?

Wait until the upgrade or maintenance procedure is finished. If standard
business processes and transactions are not available, you usually have
to wait only a few minutes. Afterwards you can continue with your
activities.
Refer to your system administration to get information about the
expected duration of the upgrade or maintenance procedure.

Procedure for System Administrators

System administration can inform the end-users of the system upfront
about the time and duration of planned upgrade or maintenance events and
about the functional restrictions during the upgrade or maintenance
procedure.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SZDM_LOCK000 - Function locked, software update running in parallel. ?

  The SAP error message SZDM_LOCK000 indicates that a function is locked because a software update is currently running in parallel. This typically occurs when an update or maintenance task is being executed, and the system prevents other operations from proceeding to ensure data integrity and consistency.
  
  Cause:
  
  Concurrent Updates: The most common cause is that a software update or system maintenance task is already in progress. SAP locks certain functions to prevent conflicts during these operations.
  Long-running Transactions: If a transaction takes longer than expected, it may overlap with scheduled updates, leading to this error.
  System Configuration: Certain configurations or settings in the SAP system may lead to locking issues during updates.
  
  
  Solution:
  
  Wait for Completion: The simplest solution is to wait for the ongoing software update or maintenance task to complete. You can check the status of the update in the SAP system.
  Check Background Jobs: Use transaction codes like SM37 to monitor background jobs and