How To Fix RSDL027 - Application server & not in namespace

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDL - BW DB Connect

• Message number: 027

• Message text: Application server & not in namespace

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 RSDL027 - Application server & not in namespace ?

  The SAP error message RSDL027 indicates that the application server specified is not in the namespace. This typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when dealing with data sources, data flows, or when trying to access certain objects that are expected to be in a specific namespace.
  Cause:
  
  Incorrect Application Server Configuration: The application server you are trying to access may not be correctly configured or may not exist in the specified namespace.
  Namespace Issues: The object you are trying to access may not be defined in the expected namespace, or there may be a mismatch between the namespace of the application server and the object.
  Transport Issues: If the object was transported from one system to another, it may not have been transported correctly, leading to namespace discrepancies.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the specified application server or namespace.
  
  Solution:
  
  Check Application Server Configuration: Verify that the application server is correctly configured in the SAP system. You can do this by checking the instance configuration in the SAP Management Console (SAP MMC) or using transaction codes like SM51 to view active application servers.
  Verify Namespace: Ensure that the object you are trying to access is indeed in the correct namespace. You can check the namespace settings in the relevant transaction (e.g., SE80 for object repository).
  Transport Check: If the object was recently transported, check the transport logs to ensure that it was transported correctly and that there were no errors during the transport process.
  Authorization Check: Ensure that the user has the necessary authorizations to access the application server and the objects within the specified namespace. You can check this using transaction SU53 to analyze authorization issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SM51 (Display Instances), and SU53 (Authorization Check).
  SAP Documentation: Refer to the official SAP documentation for more detailed information on namespaces and application server configurations.
  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 your SAP Basis team or SAP support for further assistance.