How To Fix BGRFC066 - bgRFC needs more than two dialog WPs; only &1 WP(s) currently available

BGRFC066 - Overview

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 066

• Message text: bgRFC needs more than two dialog WPs; only &1 WP(s) currently available

What causes this issue?

The system requires more than two dialog work processes to start the
bgRFC scheduler. There are fewer than three dialog work processes
available on this application server.

System Response

No bgRFC schedulers are started.

How to fix this error?

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

Procedure for System Administrators

Provide more dialog work processes.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BGRFC066 - bgRFC needs more than two dialog WPs; only &1 WP(s) currently available ?

  The SAP error message BGRFC066 indicates that the background Remote Function Call (bgRFC) processing requires more than two dialog work processes (WPs) to function properly, but only a limited number of dialog WPs are currently available. This situation can lead to issues in processing bgRFC calls, which are essential for asynchronous communication between different SAP systems or within the same system.
  
  Cause:
  
  Insufficient Dialog Work Processes: The system is configured with a limited number of dialog work processes, which are required for handling user requests and background processing.
  High Load on the System: If the system is under heavy load, it may not have enough free dialog WPs available to handle bgRFC requests.
  
  Configuration Issues: The SAP system may not be optimally configured for the expected workload, leading to a shortage of available dialog WPs.
  Long-running Transactions: If there are long-running transactions or processes that are occupying dialog WPs, it can lead to a shortage