Reports Service Fails with 186 error after Disocverer4i Admin Install

Question

DB = 8.1.7
9iAS 1.0.2.1
Everything was working fine until the install of Disco4i Admin. I've performed a TNSPING80.EXE myserver & verified the TNSNames.ora configuration. Everything looks ok.

Answer 1

Verify the entry in the tnsnames.ora for the Reports Server. The string
should look something like this:
Rep60,Rep60.world=(ADDRESS=(PROTOCOL=tcp)(HOST=<serverdnsname>)(PORT=1949))
Here is a cut from Doc ID 122038.1 on Metalink:
PROBLEM DESCRIPTION:
====================
After installing IAS Enterprise Edition, you attempt to start the Reports
Server Service (see below) and get the error:
REP-0186 - Daemon failed to listen to port.
For Windows NT:
Start-->Settings-->Control Panel-->Services-->Start Oracle Reports Server.
Get REP-186 error.
For UNIX:
Run the following Script:
$ORACLE_HOME/developer6i/reports60_server start.
SOLUTION DESCRIPTION:
=====================
WINDOWS NT 4.0 Server:
The primary cause for this error is that the Reports Server Service cannot
find a valid entry in the tnsnames.ora file. When the MTS starts, it tries
to read the entry in the $ORACLE_HOME\net80\admin\tnsnames.ora file. There
may be multiple files called tnsnames.ora on the machine. The following hint
may help in setting the default location for this file on the Windows NT
platform:
1. Click Start-->Run and type in REGEDIT; press enter; click OK.
2. Navigate to HKEY_LOCAL_MACHINE/SOFTWARE/ORACLE folder.
3. With this folder open, right-click in the right-hand pane and select New-->
String.
4. Enter "TNS_ADMIN" (w/o the quotes) for the new string.
5. Double-click on the new string, and enter the <drive>:\<path> to where your
centralized tnsnames.ora file is stored for string's value. This setting to
the registry will define a common TNS_ADMIN directory, allowing for a
central file to be managed.
6. Verify the entry in the tnsnames.ora for the Reports Server. The string
should look something like this:
Rep60,Rep60.world=(ADDRESS=(PROTOCOL=tcp)(HOST=<serverdnsname>)(PORT=1949))
Where <serverdnsname> is the name of the DNS name of the server
(the server's IP address may also be used instead. "World"
is the name of the default domain in the sqlnet.ora file.
7. Navigate to Start-->Settings-->Control Panel-->Services, find the Oracle
Reports Server [<RepServerName>] and start the service.
a) If the Service still fails to start, ensure that there is a printer
(local or network) installed, and in the Control Panel-->Services, click
the Oracle Reports Server [<RepServerName>], and click the Startup
button.
b) Under the "Log on As" section, select "This Account", then click the
ellipsis (...) button. In the dialogue box that comes up, select a user
that has access to the system's printer, and type in the user's password,
(do this even if the asterisks (*) appear), and click OK. Legacy
versions required a printer driver be installed on the Server in order
to format document output, even when creating cached documents for the
web.
c) Restart the Reports Server Service.
UNIX:
The following examples assume that IAS is installed in:
/u01/app/oracle/product/ias
and the $ORACLE_HOME is defined as the same.
1. Edit the $ORACLE_HOME/developer6i/reports60_server script file, noting the
following (example) settings:
csh:
setenv TNS_ADMIN $ORACLE_HOME/network/admin
bsh/ksh:
export TNS_ADMIN=$ORACLE_HOME/network/admin
2. Define a printer per NOTE:74872.1 and set the PRINTER environment to match:
csh:
setenv PRINTER <queuename>
bsh/ksh:
export PRINTER=<queuename>
3. Verify the entry in the tnsnames.ora for the Reports Server. The string
should look something like this:
Rep60,Rep60.world=(ADDRESS=(PROTOCOL=tcp)(HOST=<serverdnsname>)(PORT=1949))
Where <serverdnsname> is the name of the DNS name of the server
(the server's IP address may also be used instead). "World" is
the name of default domain in the sqlnet.ora file.
4. Now start the $ORACLE_HOME/developer6i/reports60_server script file.
EXPLANATION:
============
The IAS installation creates a TN S_ADMIN in the $ORACLE_HOME/developer6i
directory, but the Reports Server is not able to find it, due to the defaults
setup by the installer.
REFERENCES:
===========
Bug:1327922, SERVER SPECIFIC ERROR 186 STARTING REPORTS SERVER
Bug:1092182, REPORTS SERVER CAN NOT LAUNCH WITH THE ERROR 186
Note:74872.1, How to Configure Report Server 6.0 and Cartridge on Unix
Oracle Information Navigator (IAS Online Documents CD),
article:<CDROMDRIVE>:\doc\forms.6i\a83592\pbr_case.htm ,
"Configuring the OracleReports Server on Windows NT and UNIX
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