Environment variable ORACLE_UNQNAME not defined. Solution

Source: Internet
Author: User
C: \ Users \ Administrator> emctl start dbconsole
Environment variable ORACLE_UNQNAME not defined. Please set ORACLE_UNQNAME to database unique name.

C: \ Users \ Administrator> set oracle_unqname = eirc2010 (database instance name)

C: \ Users \ Administrator> emctl start dbconsole
Oracle Enterprise Manager 11g Database Control Release 11.2.0.1.0
Copyright (c) 1996,201 0 Oracle Corporation. All rights reserved.
Https: // computername: 1158/em/console/aboutApplication
-An instance of Oracle Enterprise Manager 11g Database Control is already runn
Ing.

C: \ Users \ Administrator>

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