How To Fix LT_DHAPE_REMOTE006 - Failed to unblock port &2:&3 destination &1: rc = &4

SAP Error Message - Details

• Message type: E = Error

• Message class: LT_DHAPE_REMOTE - SAP Data Hub - ABAP Pipeline Engine - Message Class for Pkg

• Message number: 006

• Message text: Failed to unblock port &2:&3 destination &1: rc = &4

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message LT_DHAPE_REMOTE006 - Failed to unblock port &2:&3 destination &1: rc = &4 ?

  The SAP error message LT_DHAPE_REMOTE006 indicates that there was a failure in unblocking a port for a remote destination. This error typically occurs in the context of SAP's Logistics Execution (LE) or when dealing with remote function calls (RFC) and can be related to issues with communication between systems.
  Cause
  The error message can be caused by several factors, including:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved.
  Firewall Settings: A firewall may be blocking the specified port, preventing communication.
  Incorrect Configuration: The destination configuration in the SAP system may be incorrect, leading to issues in establishing a connection.
  Resource Limitations: The system may be running out of resources, such as available ports or memory.
  SAP Gateway Issues: The SAP Gateway might not be functioning correctly, leading to communication failures.
  
  Solution
  To resolve the LT_DHAPE_REMOTE006 error, you can take the following steps:
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the SAP systems is stable and functioning properly.
  Use tools like ping or traceroute to verify connectivity.
  
  
  
  Review Firewall Settings:
  
  Check the firewall settings on both the source and destination systems to ensure that the required ports are open.
  If necessary, configure the firewall to allow traffic on the specified port.
  
  
  
  Verify Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination.
  Ensure that the destination is correctly configured with the right host, service, and connection type.
  
  
  
  Check System Resources:
  
  Monitor system resources to ensure that there are enough available ports and memory.
  If the system is under heavy load, consider optimizing performance or increasing resources.
  
  
  
  Restart SAP Gateway:
  
  If the SAP Gateway is not functioning correctly, consider restarting it to resolve any temporary issues.
  
  
  
  Check Logs:
  
  Review the system logs (transaction SM21) and the developer traces (transaction ST22) for any additional error messages that may provide more context.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information
  
  Transaction Codes: 
  
  SM59 - RFC Destination Configuration
  SM21 - System Log
  ST22 - Dump Analysis
  
  
  SAP Documentation: Refer to the official SAP documentation for more details on configuring RFC destinations and troubleshooting communication issues.
  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.