How To Fix ESH_HANA_ADMIN148 - SQL Connection to HANA database (DB conn: &1) could not be opened

ESH_HANA_ADMIN148 - Overview

• Message type: E = Error

• Message class: ESH_HANA_ADMIN - ESH HANA Index Administration

• Message number: 148

• Message text: SQL Connection to HANA database (DB conn: &1) could not be opened

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_HANA_ADMIN148 - SQL Connection to HANA database (DB conn: &1) could not be opened ?

  The SAP error message ESH_HANA_ADMIN148 indicates that there is an issue with establishing a SQL connection to the HANA database. This can occur due to various reasons. Below are some common causes, potential solutions, and related information to help troubleshoot the issue.
  Causes
  
  
  Network Issues: There may be network connectivity problems between the application server and the HANA database server.
  
  
  Database Configuration: The HANA database might not be configured correctly, or the database service may not be running.
  
  
  Authentication Issues: Incorrect credentials (username/password) may be used to connect to the HANA database.
  
  
  Firewall Restrictions: Firewalls may be blocking the connection to the HANA database.
  
  
  Database Instance Down: The HANA database instance may be down or not reachable.
  
  
  Resource Limitations: The HANA database may be experiencing resource limitations (e.g., memory, CPU) that prevent new connections.
  
  
  Connection Pooling Issues: If connection pooling is used, there may be issues with the pool configuration or limits being reached.
  
  
  Solutions
  
  
  Check Network Connectivity:
  
  Use tools like