How To Fix RSDA021 - Near-line connection &1 to original BW system disconnected

RSDA021 - Overview

• Message type: E = Error

• Message class: RSDA - BW Archiving: Messages

• Message number: 021

• Message text: Near-line connection &1 to original BW system disconnected

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDA021 - Near-line connection &1 to original BW system disconnected ?

  The SAP error message RSDA021 indicates that there is a disconnection issue with the near-line storage (NLS) connection to the original BW (Business Warehouse) system. This error typically arises in scenarios where data is being accessed or processed from near-line storage, and the connection to the original BW system is lost or not properly established.
  Causes:
  
  Network Issues: There may be network connectivity problems between the BW system and the near-line storage.
  Configuration Errors: Incorrect configuration settings in the near-line storage connection or in the BW system can lead to disconnection.
  System Downtime: The original BW system may be down for maintenance or experiencing outages.
  Authorization Issues: The user or service account may not have the necessary permissions to access the near-line storage.
  Resource Limitations: Insufficient system resources (like memory or CPU) can lead to disconnections.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the BW system and the near-line storage is stable and functioning properly.