How to troubleshoot ORA-12514 errors when startup mount

Startup mount times ORA-12514 error solution oracle dmp File Import database is, the system reports archive log is full, so think of archive log disable;

1. shutdown immediate; success 2. startup mount; ORA-12514: TNS: The listener currently cannot identify the service method requested in the connection descriptor: listener file, add the following content: SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (SID_NAME = CLRExtProc) (ORACLE_HOME = D: \ app \ Administrator \ product \ 11.2.0 \ dbhome_1) (PROGRAM = extproc) (ENVS = "EXTPROC_DLLS = ONLY: D: \ app \ Administrator \ product \ 11.2.0 \ dbhome_1 \ bin \ lrlr11.dll") -- // Add here (SID_DESC = (GLOBAL_DBNAME = orcl.com) (ORACLE_HOME = D: \ app \ Administrator \ product \ 11.2.0 \ dbhome_1) (SID_NAME = ORCL) -- = both GLOBAL_DBNAME and SID_NAME need to be written) 3. Restart the listening service lsnrctl stop; slnrctl start; 4. log on to startup mount as a SYS user; Connect to idle routine 5. alter database noarchivelog; 6. alter database open;