16.3.4 ORA-12241

Appears on Microsoft Windows systems to indicate that a particular service is either not available or not running.

Message

ORA-12241: Windows service string is either not available or not running.

For example:

ORA-12241: Windows service OracleServiceSID1 is either not available or not running.

Cause

The operation cannot be completed because the requested Windows service is either not available or not running.

Action

Create and start the Windows service before the operation to be performed.

For further details, turn on tracing and run the operation again. If error persists, contact Oracle Support Services.