How connect 10g with discoverer (host name give me error)

Question

hi master
sir i install discoverer but not connect with oracle 10g
i flow this step
1. From the Start button use Programs | Oracle - BIToolsHome1 | Configuration and Migration Tools | Net Configuration Assistant.
2. Select Local Net Service Name Configuration the click the Next button
3. Check Add then click the Next button
4. Type the Service Name of the database you want to connect to, then click the Next button
5. On the next screen, select TCP and click the Next button
6. On the next screen, enter the full name for the Host name using a fully qualified domain name and then tell the system which Port the database is using. Click the Next button
7. If you know a username and password on the database select Yes, perform a test and then click the Next button. While this is not a mandatory step it is well worth doing as it will show whether you can connect to the database.
8. On the next screen, the test will either succeed or fail. If it says Invalid username / password click the Change Login button and enter a known username / password combination
9. When informed Connecting... Test successful click the Next button
10. Provide a name that you want to know this connection by then click the Next button
11. When asked if you would like to configure another service name, select No and click the Next button
12. Click the Next button again
13. Click the Finish button
but Host name or step 6 give me error
this is my database name == universi
this is my computer name == fahim
this is my system user password == mfa786
how i configure my discoverer with oracle 10g
please give me idea
thank's
aamir

Answer 1

thank's for your reply
sir try to configure but host name step not success
and i try to test
then taht window give me this error
see errir
Connecting...ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
The test did not succeed.
Some of the information you provided may be incorrect.
Click Back to review the information provided for net service name, or Change Login to change username.
============== this is my bi path
C:\oracle\BIToolsHome_6\network\ADMIN
this is my tnsnames.ora file
# tnsnames.ora Network Configuration File: C:\oracle\BIToolsHome_6\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
UNIVERSI =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = fahim)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = universi)
================ this is my listener.ora file
# listener.ora Network Configuration File: C:\oracle\BIToolsHome_6\network\admin\listener.ora
# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\BIToolsHome_6)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = fahim.iqra.edu.pk)(PORT = 1521))
when i try to run my discoverer that give me this error
unable to connect fahim@universi
failed to connect to databae - ORA-12514: TNS: listeer dose not currently know of service requested in connect descriptor
please give me idea how i connect my oracle 10g with discoverer
thank's
aamir