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Error at Empower login: Database connection failure, ORA 12537, TNS connection closed - WKB45192

Article number: 45192

SYMPTOMS

  • Error at login to Empower: "Database connection failure, ORA 12537, TNS connection closed"
  • Computer name has not changed since installation of Empower
  • Reboot of computer does not resolve the issue

ENVIRONMENT

  • Empower 3 Personal workstation

CAUSE

ORA 12537 is an information message that means that the connection has been closed. Numerous reasons are possible.

FIX or WORKAROUND

Disable the Microsoft Loopback Adapter.

Note: Empower must not be running.

  • Control Panel  > Network and Internet > Network Connections
  • Select the Microsoft Loopback Adapter and right-click to disable
  • Modify the following file: C:\Empower\Oracle\Oracle11g_4\NETWORK\A DMIN\sqlnet.ora (see screen shot)

Double-click to open with Notepad and put a # followed by a space in front of the last two lines of the file.

Save the updated file, and reboot the PC.

 

ADDITIONAL INFORMATION

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