конфигурация серверов не изменялась изменилась только база вернее ее содержимое переход с 8.0 Галактики на 8.1.
TNSNAMES.ora 
# TNSNAMES.ORA Network Configuration File: O:\oracle\ora92\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.
GALAXYTH.NC.LOCAL =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(Host = 10.1.100.23)(Port = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = galaxyth)
    )
  )
GALAXY.NC.LOCAL =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(Host = 10.1.100.22)(Port = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = galaxy)
    )
  )
#
# This file is written by Oracle Services For MSCS
# on Sun Feb 25 05:39:57 2007
#
INST1_HTTP.NC.LOCAL =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.1.100.17)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = SHARED)
      (SERVICE_NAME = MODOSE)
      (PRESENTATION = 
http://HRService)
    )
  )
EXTPROCGALADB.NC.LOCAL =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROCgaladb))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)
    )
  )
RCAT.NC.LOCAL =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.1.100.9)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = RCAT)
    )
  )
sqlnet.ora
# SQLNET.ORA Network Configuration File: O:\oracle\ora92\network\admin\sqlnet.ora
# Generated by Oracle configuration tools.
NAMES.DEFAULT_DOMAIN = nc.local
SQLNET.AUTHENTICATION_SERVICES= (NTS)
NAMES.DIRECTORY_PATH= (TNSNAMES, ONAMES)
galnet.cfg
#include %StartPath%\Color.cfg
[DataBase]
  DATABASENAME = %ApiDataBase%
  TempTableInMem = off
  UserTableInMem = off
[Configurator]
   Designer  = On
   Enabled   = On
   ExpertMode= On
[System]
  EditorFileMask=*.*
[Files]
  OutputFilesDirectory=%ApiTempPath%\Out\%user%
  TmpFilesDirectory=%ApiTempPath%\Tmp\%user%
  FileHandles=220
[DeskTop]
   DeskTopFileName=%ApiTempPath%\Dsk\%user%.%dskext%
   /AC+
   /3D+
[Windows]
   OldDesk=On
   FixedFontSize=10
   FontSize=10
   SystemFixedFont="Comic Sans MS"
   SystemFont="Tahoma"