title: The network adapter could not establish the connection sql developer remote
body: <pre><code>In Remote the connection is Establish successfully.
  
  But When i try local i am getting the Network adapter could not establish the connection.
  </code></pre>
  
  <p>Details</p>
  
  <p>I have the following information:</p>
  
  <p>Port 1521 is not open for either server when I telnet
  My listener is up and running for both.
  I can access derp-db.derp.edu on Oracle SQL Developer.
  Oracle client is on my local machine + Oracle SQL Developer</p>
  
  <p>I can remote desktop to both servers</p>
  
  <pre><code>**listener.ora**
  
  SID_LIST_LISTENER =
    (SID_LIST =
      (SID_DESC =
        (SID_NAME = CLRExtProc)
        (ORACLE_HOME = C:\app\product\11.2.0\dbhome_1)
        (PROGRAM = extproc)
        (ENVS = "EXTPROC_DLLS=ONLY:C:\app\product\11.2.0\dbhome_1\bin\oraclr11.dll")
      )
    )
  
  LISTENER =
    (DESCRIPTION_LIST =
      (DESCRIPTION =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
        (ADDRESS = (PROTOCOL = TCP)(HOST = 10.9.80.94)(PORT = 1521))
      )
    )
  
  ADR_BASE_LISTENER = C:\app
  
  
  **lsnrctl status :**
  </code></pre>
  
  <p>Listner is Up to date<code>enter code here</code></p>
  
  <pre><code>Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
  STATUS of the LISTENER
  ------------------------
  Alias                     LISTENER
  Version                   TNSLSNR for 64-bit Windows: Version 11.2.0.1.0 - Produ
  ction
  Start Date                21-OCT-2014 09:38:17
  Uptime                    0 days 2 hr. 27 min. 6 sec
  Trace Level               off
  Security                  ON: Local OS Authentication
  SNMP                      OFF
  Listener Parameter File   D:\app\kul_ahamed\product\11.2.0\dbhome_1\network\admi
  n\listener.ora
  Listener Log File         d:\app\kul_ahamed\diag\tnslsnr\KUL-BU3-E037\listener\a
  lert\log.xml
  Listening Endpoints Summary...
    (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
    (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=KUL-BU3-E037.incontrol-tech.local)(P
  ORT=1521)))
  Services Summary...
  Service "CLRExtProc" has 1 instance(s).
    Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
  Service "orcl" has 1 instance(s).
    Instance "orcl", status READY, has 1 handler(s) for this service...
  Service "orclXDB" has 1 instance(s).
    Instance "orcl", status READY, has 1 handler(s) for this service...
  The command completed successfully
  </code></pre>