I have 2 database on one server. I can connect to the database with normal users but cannot connect with sys and system users and invalid username/password occurs. before that I dropped one of the databases and during dropping that database, this error occurred:
DIM-00014: cannot open the windows NT service control manager.O/S-Error:(OS 5) Access is denied
I check if I can connect sqlplus /nolog
and conn / as sysdba
and it did not worked and below error occurred:
12560: tns protocol adapter error
anybody help!
ORACLE_SID
when you try to connect? The one that you dropped?