I have backed up archive logs to the standby database and followed the steps below to recover it, but am running into the error shown. What am doing wrong?

SQL> connect /as sysdba
Connected to an idle instance.
SQL> startup nomount
ORACLE instance started.

Total System Global Area 286858140 bytes
Fixed Size 453532 bytes
Variable Size 184549376 bytes
Database Buffers 100663296 bytes
Redo Buffers 1191936 bytes
SQL> alter database mount standby database;

Database altered.

SQL> recover standby database until cancel;
ORA-00279: change 739533 generated at 01/23/2006 12:36:36 needed for thread 1
ORA-00289: suggestion : C:\U01\APP\ORACLE\ADMIN\OKCDBST2\ARCHARCH_1_64.ARC
ORA-00280: change 739533 for thread 1 is in sequence #64


Specify log: {=suggested | filename | AUTO | CANCEL}

ORA-00279: change 739895 generated at 01/23/2006 12:54:36 needed for thread 1
ORA-00289: suggestion : C:\U01\APP\ORACLE\ADMIN\OKCDBST2\ARCHARCH_1_65.ARC
ORA-00280: change 739895 for thread 1 is in sequence #65
ORA-00278: log file 'C:\U01\APP\ORACLE\ADMIN\OKCDBST2\ARCHARCH_1_64.ARC' no
longer needed for this recovery


Specify log: {=suggested | filename | AUTO | CANCEL}

ORA-00279: change 741914 generated at 01/23/2006 14:36:17 needed for thread 1
ORA-00289: suggestion : C:\U01\APP\ORACLE\ADMIN\OKCDBST2\ARCHARCH_1_66.ARC
ORA-00280: change 741914 for thread 1 is in sequence #66
ORA-00278: log file 'C:\U01\APP\ORACLE\ADMIN\OKCDBST2\ARCHARCH_1_65.ARC' no
longer needed for this recovery


Specify log: {=suggested | filename | AUTO | CANCEL}

ORA-00308: cannot open archived log
'C:\U01\APP\ORACLE\ADMIN\OKCDBST2\ARCHARCH_1_66.ARC'
ORA-27041: unable to open file
OSD-04002: unable to open file
O/S-Error: (OS 2) The system cannot find the file specified.


SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-01666: controlfile is for a standby database