How To Fix RT866 - Available Physical CPUs

RT866 - Overview

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 866

• Message text: Available Physical CPUs

What causes this issue?

The available physical CPU's represents the physical processing power
available to the LPAR taking into account both the partition's
entitlement and any additional processing resources unused by other
partitions.

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 RT866 - Available Physical CPUs ?

  The SAP error message RT866, which refers to "Available Physical CPUs," typically indicates that the system has reached a limit regarding the number of physical CPUs that can be utilized for processing. This can occur in various scenarios, such as when the system is configured to use a certain number of CPUs, but the actual available CPUs are fewer than expected.
  
  Cause:
  
  Configuration Limits: The SAP system may be configured to use more CPUs than are physically available on the server.
  Licensing Issues: There may be licensing restrictions that limit the number of CPUs that can be used by the SAP instance.
  Resource Allocation: The operating system or virtualization layer may not be allocating the expected number of CPUs to the SAP instance.
  Hardware Limitations: The physical server may not have enough CPUs installed or may be experiencing hardware issues.
  
  
  Solution:
  
  
  Check Configuration: Review the SAP instance configuration to ensure that the number of CPUs specified does