title: Oracle 11g can't log with sys user
body: <p>Today i meet a werid thing:I can't log on remote server Oracle database with sys user!<br>
  The username/password is sys/123,and my colleage could!this situation maintained still now.</p>
  
  <p>But i can log on with an normal user,not a system dba.This is no privilege limit.Why? It's so werid. </p>
  
  <p>This error info:</p>
  
  <pre><code>ORA-01017:invalid username/password;logon denied.
  </code></pre>
  
  <p>The oracle version:11g.</p>
  
  <p>Log on tool:PL/SQL</p>
  
  <p>need other info?Is local install oracle 10g cause the problem?</p>
  
  <p>On the command line: </p>
  
  <pre><code>SQL&gt;show parameter remote_login_passwordfile  The value is：EXCLUSIVE
  </code></pre>