ERROR:
ORA-12526: TNS: 监听程序: 所有适用例程都处于受限模式

 

解决：

C:\Users\test>sqlplus / as sysdba

SQL*Plus: Release 12.1.0.2.0 Production on

Copyright (c) 1982, 2014, Oracle. All rights reserved.

连接到:
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Partitioning, OLAP, Advanced Analytics and Real Application Testing opt
ions

SQL> ALTER SYSTEM DISABLE RESTRICTED SESSION;

系统已更改。

 

SQL> select open_mode from v$database;

OPEN_MODE
--------------------
READ WRITE

SQL>