How To Fix CNVMBT108 - Connection from the receiver to the PCL system does not work fine

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBT - Messages for MBT/API/PCL

• Message number: 108

• Message text: Connection from the receiver to the PCL system does not work fine

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVMBT108 - Connection from the receiver to the PCL system does not work fine ?

  The SAP error message CNVMBT108 indicates that there is an issue with the connection from the receiver system to the PCL (Process Control Layer) system. This error typically arises during data migration or system integration processes, particularly when using SAP's Migration Cockpit or similar tools.
  Cause:
  
  Network Issues: There may be network connectivity problems between the sender and receiver systems.
  Configuration Errors: Incorrect configuration settings in the RFC (Remote Function Call) destination or in the PCL system.
  Authorization Issues: The user credentials used for the connection may not have the necessary authorizations to access the PCL system.
  Service Availability: The PCL service may not be running or may be down for maintenance.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection between the systems.
  
  Solution:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the sender can reach the PCL system.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Configuration:
  
  Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination used for the connection.
  Test the connection from this transaction to see if it is successful.
  
  
  
  Check User Authorizations:
  
  Ensure that the user ID used for the connection has the necessary authorizations to access the PCL system.
  Review roles and profiles assigned to the user.
  
  
  
  Service Status:
  
  Check if the PCL service is running properly. You may need to restart the service if it is down.
  Consult system logs for any errors related to the PCL service.
  
  
  
  Firewall and Security Settings:
  
  Review firewall rules and security settings to ensure that they allow traffic between the sender and PCL systems.
  If necessary, work with your network/security team to adjust these settings.
  
  
  
  Consult SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM59 (RFC Destinations), ST22 (Dump Analysis), and SM21 (System Log) for troubleshooting.
  Documentation: Review SAP documentation related to the Migration Cockpit or the specific tools you are using for data migration.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.