How To Fix S1300 - SAPOSCOL not running (shared memory available)

S1300 - Overview

• Message type: E = Error

• Message class: S1 - Statistik / SAP-Monitor

• Message number: 300

• Message text: SAPOSCOL not running (shared memory available)

What causes this issue?

Either there is no collector running and the shared memory is active, or
a collector has never run before so that no shared memory has been
created.

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?

Run a collector before the SAP system is started. The collector from
Release 1.2A might run, but the system already has the status of 2.0A. A
new shared memory key is used for the new collector of Release 2.0A. The
new collector (status 2.0A) must be started.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message S1300 - SAPOSCOL not running (shared memory available) ?

  The SAP error message S1300 indicates that the SAPOSCOL (SAP Operating System Collector) is not running, which is essential for collecting operating system metrics and performance data. This error can occur in various scenarios, and here are the potential causes, solutions, and related information:
  Causes:
  
  SAPOSCOL Not Started: The SAPOSCOL process may not have been started or may have crashed.
  
  Configuration Issues: There may be issues with the configuration of the SAPOSCOL service.
  Insufficient Permissions: The user under which the SAP system is running may not have the necessary permissions to start or access SAPOSCOL.
  Resource Limitations: There may be resource limitations on the server, such as memory or CPU constraints, preventing SAPOSCOL from starting.
  Shared Memory Issues: Although the error mentions that shared memory is available, there could still be issues related to how shared memory is configured or allocated.
  
  Solutions:
  
  
  Start SAPOSCOL:
  
  You can manually start the SAPOSCOL process using the following command in the command line:saposcol
  
  Alternatively,