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  5. “Unable to connect to the database: A network-related or instance-specific error occurred…SQL Network Interfaces, error: 26 – Error Locating Server/Instance Specified…” – BACKTRACK Error Message

“Unable to connect to the database: A network-related or instance-specific error occurred…SQL Network Interfaces, error: 26 – Error Locating Server/Instance Specified…” – BACKTRACK Error Message

Summary


This Error Message Article explains the BACKTRACK error message “Unable to connect to the database: A network-related or instance-specific error occurred…SQL Network Interfaces, error: 26 – Error Locating Server/Instance Specified…” and details how to fix the underlying problem that caused it to appear.

Explanation

There is a communication problem between client workstation (BACKTRACK) and SQL server the system where the data for BACKTRACK is stored.  There are several scenarios that can cause a connection problem including:

  • SQL server is not functioning, not available, or configured incorrectly
  • The network traffic to or from the SQL server is blocked
  • BACKTRACK SQL server settings are incorrect

Solution

The location for the license information can be found on the BACKTRACK server at c:\programdata\Teklynx\BACKTRACK\btwdata.ini

  • Confirm that SQL Server is online
  • Confirm that the the SQL Server Network Configuration has Shared Memory, Named Pipes and TCP/IP Enabled.
  • The firewall at SQL server is correctly set (using standard port)
  • Confirm that the user has appropriate permission for the database

Additional Comments

Issue Found On: Windows 7 and 8 running BACKTRACK 2012

Related Articles:
BACKTRACK client workstation unable to locate SQL database when opening – KBA-01099-R7L5C3

Updated on July 19, 2017

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