command line execution:
C:\users\administrator>emca -repos drop emca starts at 2013-4-23 20:13:< Span class= "lit" style= "color: #006666" >58 em configuration assistant , 10.2. 0.1. 0 official version Copyright (c) 2003, 2005, Oracle. All rights reserved. Enter the following information:database SID: htt Listener Port number: 1521 SYS user's password: sysman User's password: sysman User's password: do you want to continue? [Yes (Y)/No (N)]: Y 2013-4-23 20:14:09 oraclesysman.emcp. Emconfig perform info: recording this operation to e:\oracle\ Product\10.2.0\DB_1\CFGTOOLLOGS\EMCA\HTT\EMCA _2013-04 -23_08-13-58 -pm. log2013-4-23 20:14:12 oraclesysman.emcp. Emreposconfig droprepository info: deleting em archive (this operation may take a while) ... 2013-4-23 20:16:03 oraclesysman.emcp. Emreposconfig invoke Info: The repository was deleted successfully configuration of Enterprise Manager completed successfullyEMCA ends in 4- at:
Oracle installation-------An error occurred while instantiating an EM profile (GO)