How To Fix VIRT146 - Memory Shared Between Virtual Servers

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 146

• Message text: Memory Shared Between Virtual Servers

What causes this issue?

This is the total amount of copy-on-write-memory on the host. This value
includes memory pages that are shared within a single guest and memory
that is shared between guests.
On VMware, this is called 'Shared Memory'.

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 VIRT146 - Memory Shared Between Virtual Servers ?

  The SAP error message VIRT146: Memory Shared Between Virtual Servers typically indicates that there is a configuration issue related to memory allocation in a virtualized environment where multiple SAP instances are running on the same physical server. This error can occur when the memory settings for the virtual machines (VMs) are not properly configured, leading to potential performance issues or conflicts.
  
  Cause:
  
  Insufficient Memory Allocation: The virtual servers may not have enough memory allocated to handle the workloads, leading to shared memory issues.
  Overcommitment of Resources: If the physical server is overcommitted in terms of memory (i.e., the total allocated memory for all VMs exceeds the physical memory available), it can lead to performance degradation and errors.
  
  Configuration Issues: Incorrect configuration of the SAP instances or the virtualization platform can lead to memory sharing issues.
  Shared Memory Settings: The shared memory settings in the SAP system may not be properly configured, leading to conflicts between