How To Fix 00860 - High-water mark of extended memory management slots since startup

00860 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 860

• Message text: High-water mark of extended memory management slots since startup

What causes this issue?

Each internal session needs one such extended memory slot. (Each
external session can contain up to 9 internal sessions).

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 00860 - High-water mark of extended memory management slots since startup ?

  The SAP error message "00860 High-water mark of extended memory management slots since startup" indicates that the system has reached a high-water mark for the number of extended memory management slots that have been allocated since the last startup. This can lead to performance issues or even system instability if not addressed.
  
  Cause:
  
  Memory Allocation: The error typically arises when the system is allocating memory for various processes and has reached the limit of available extended memory slots.
  High Load: A high number of concurrent users or processes can lead to increased memory usage, causing the system to allocate more memory slots.
  
  Configuration Issues: The configuration settings for memory management may not be optimized for the current workload.
  Memory Leaks: There may be memory leaks in custom code or third-party add-ons that are consuming more memory than expected.
  
  
  Solution:
  
  Restart the System: A simple restart can clear the memory and reset the high-water mark. However, this is