It should be considered this thread dates back from 2005, by that time it was 10gR1 the most frequently 10g released used, even though the directory creation looks to work this doesn't solve the root problem. It should be considered that even though 10gR1 and 10gR2 both have a j2ee based EM console, both behave differently and have different configuration commands.
Most frequently seen problems with EM console have to do with non properly configured networking environments and skipping the dhcp warning at the installation phase. Proper networking configuration prerequisites have to be met before proceeding with installation. 1. DHCP issues.
Assigning a dynamic IP address makes the EM console to fail. Since the repository is configured with the environment it collects at install time, if a dynamic address is assigned, next time the computer unplugs (most frequently seen on laptop computers) EM stops working. 2. Use of IE with Enhanced Security Option enabled.
This is another issue frequently seen, when IE Enhanced Security option is enabled EM stops working, even though the console can be started. 3. Enterprise Manager can be accessed but Performance and maintenance tab request again for login credentials
This is another issue due to improperly configuring the networking and host name resolution environment. Oracle reads the hosts file to establish both the IP Address and the fully qualified host name. If it fails to properly read the hosts file, or if this doesn't properly identify the host, then the localhost.localdomain will be taken to configure the EM Console. When Attempting to solve the tns entry to access the performance tab or the maintenance tab Oracle won't be able to identify the host declared at the tns entry and it will fail to access, even though the provided credentials and the tns entry seem to be well configured. 4. Changing hostname or fixed IP Address
When networking changes happen then an EM reconfiguration is required.
For further references on HowTo troubleshoot and reconfigure Enterprise Manager I suggest to refer to this link --> Enterprise Manager DB Control Console.
Realmente a mi me funciono en parte....pues el inicio de la consola del EM puede tener varios problemas....que hice???
en una consola de comandos (inicio--ejecutar--cmd) se ingresa el siguiente comando
emctl status dbconsole
me dio el sigiente mensaje
Environment variable ORACLE_SID not defined. Please define it.
que hice entonces????.....utilice el siguiente comando
(es importante que quede todo junto despues del comando SET)
Nuevamente el comando emctl status dbconsole
OC4J Configuration issue. E:\oracle\product\10.1.0\Db_1/oc4j/j2ee/OC4J_DBConsole SERVIDORFFDOS_BDFFDOS not found.
que hice???? aqui si segui las instrucciones que se indican anteriormente....en la carpeta E:\oracle\product\10.1.0\Db_1/oc4j/j2ee/ se encontraba la carpeta
OC4J_DBConsole_192.168.0.86_BDFFDOS y a esa copia le cambie el nombre a OC4J_DBConsole_SERVIDOR_FFDOS_BDFFDOS
nuevamente el comando emctl status dbconsole
y otro error....
C:\Documents and Settings\Administrador>emctl status dbconsole
EM Configuration issue. E:\oracle\product\10.1.0\Db_1/SERVIDOR_FFDOS_BDFFDOS not
entonces en segui la otra parte....en la carpeta E:\oracle\product\10.1.0\Db_1 encontre la carpeta 192.168.0.86_BDFFDOS la copie y a esta copia la renombre como SERVIDOR_FFDOS_BDFFDOS
nuevamente el comando emctl status dbconsole
Y ME DIO ESTO!!!!....GUAUUUU...FUNCIONO!!!!
Oracle Enterprise Manager 10g Database Control Release 10.1.0.2.0
Copyright (c) 1996, 2004 Oracle Corporation. All rights reserved.
Oracle Enterprise Manager 10g is not running.
entonces di inicio al servicio con el comando
emctl start dbconsole
y entonces por fin pude entrar al EM desde el internet explorer
con la direccion http://192.168.0.86:5500/em
Espero que estos pasos tambien les sirvan....
A se me olvidaba......como tambien me molesto el usuario sysman busque y me econtre con esto http://madrid9999.googlepages.com/enterprisemanagerdbcontrolconsole
Hey way to go!
You solved my problem for me after like 2 days of effort.
I am still not sure what the problem is.
I installed a loopback connection as I naively thought that I would need a "pretend" connection to carry my network traffic to the database via listener etc etc...
Now... following your instructions... i disabled all connections and started dbconsole again. I copied the directories as indicated creating copies with localhost, & machine name.
Well what the heck it worked!
actually I have already that directory, and still it does not work.
I have taken a look at the server file at C:\oracle\product\10.2.0\db_1\oc4j\j2ee\OC4J_DBConsole_sv-nbk-203.shsviveon.info_orcl\config,
to see if I could change of the paths or information there, but I am not sure.
I have read that about to be connected to an Active Network at the moment of starting the service, but I am not sure if I understand the point.
Basically, I still cannot start the service and connect me with EM.
Any idea why ?
Thanks a lot
I spent a lot of time trying to track down an answer to this issue. So here is the best answer I can provide based on my experience installing Oracle 11g Personal Edition (which seems HUGELY bloated as compared to Oracle 10g XE).
The issue has to do with DHCP assigned IP addresses. When you install Oracle 11g (and probably 10g) it warns you that if you have a DHCP assigned IP address that you need to install the Microsoft Loopback Adapter. But I already had the MS Loopback Adapter installed so I didn’t receive the warning and assumed all was well. But I did have this exact problem. I saw people mention earlier in this thread about plugging in or unplugging a network cable or changing the IP back to the IP that was used when Oracle was installed. This made me think it was somehow network related. So I disabled the Microsoft Loopback Adapter and was able to bring the OracleDBConsole service up. Now I was thoroughly confused. The installation process said I needed it in order to install Oracle, but I had to disable it to bring up OracleDBConsole. I didn’t try re-enabling the loopback adapter once it was up because I was thoroughly frustrated and so for the 3rd time I uninstalled Oracle. But instead of keeping my address as DHCP assigned I changed it to be static, disabled ALL other network adapters (MS Loopback Adapter included) and reinstalled Oracle 11g without a hitch. The OracleDBConsole came up without a problem and I was able to access it just fine.
So then I had a static IP which I was not all that thrilled about as this is on a laptop that I take to client sites. I got to thinking about this issue and I figured that Oracle now wanted to run on my static IP so I changed my network connection back to DHCP and enabled the MS Loopback Adapter on the same IP as I was using as static when I installed Oracle. This did the trick. Oracle is now running with DHCP on my network adapter and static IP on the MS Loopback Adapter. I did not have to copy folders as some people have suggested in this thread.
So my recommendation is to install it with a static IP and then switch it over to DHCP and configure the MS Loopback Adapter to be the static IP used to install Oracle once the system is up and stable. I hope this helps someone get their system running faster.
The plug or unplug network cable and copying files and renaming diretoires are not serious workarounds for EM troubleshooting. Funny thing, if you have to unplug your network cable to remotely access your Enterprise Manager Console. Configuring EM on DHCP environments.
Dynamic IP assignment cause EM not to properly work, or work in an intermitent way. It is suggested to configure the loopback adapter and once done, to reconfigure your Enterprise Manager.
For further references on how to configure Loopback Adapter these references are recommended
http://download-east.oracle.com/docs/cd/B19306_01/install.102/b14316/reqs.htm#BABGHEFB Installing on DHCP environments
In order to reconfigure Enterprise Managers
* set oracle_sid=YourInstanceName
* emctl stop dbconsole
* emca -deconfig dbcontrol db
* emca -repos recreate
* emca -config dbcontrol db Internet Explorer Enhanced Security
I recently faced a similar situation, IE6, this didn't show any thing. It happened that due to security issues, this was not added as a secure site. When this feature is enabled IE asks you if you want to add this site to the secure list. It also displays a check box, in case you want to display this again in the future. In case this checkbox is marked, there is no prompt in the future, and the site is not displayed. I had to reconfigure this so it could be displayed.
I have disabled the "IE Enhanced Security Option" from the windows components at the add/remove software option from the control panel. /etc/hosts
The hostname must be properly identified by the hostname resolution mechanism, the most commonly used is the hosts file. At the hosts file, in case DHCP is used and in case a loopback adapter has been configured, the IP address against which the hostname has to solved is the one assigned to the loopback adapter. Ref. http://madrid9999.googlepages.com/enterprisemanagerdbcontrolconsole
It doesn't work because Oracle is a piece of ... never mind.
I installed on a network with a machine that has a static IP address. Yesterday I worked on a customer database all day, now today I cannot access anything with enterprise manager. And none of the remedies outlined here worked.
I am currently reinstalling.
I'm not trying to send a man to the moon, I am just trying to install a database on a server.
Maybe version 11 solves world hunger, but I have to install 10.
I am genuflecting, doing the rosary, sacrificing a chicken and spraying it's blood all over the server.
wish me luck....
Still no joy, trying one more time.
Message was edited by:
On windows and using "loopback adapter" is not necessary disconnect the cable,
but you must set your "Local Area Conection_X" (X= a number) of your "loopback adapter" in the first place in "Adapters and bindings".
On top of the window (in the network connections, menu)
select "Advanced" --> select "Advanced Settings" a new window opens
on the tab "Adapters and bindings", select your "loopback adapter", in my case "Local Area Connection 2" and move to the first position (on top).
hope this helps
Hi Guys I would like to thank you all....I struggled alot to start the DBconsole service...
I am sharing my experince to u all...
I did all the things like creating folders etc...It didn't worked for me ...Finally I connected to the net and tried services got started...
But I don't know how to start with out connecting to NET
I have the same problem. It is very confusing.
I found some tips here, but they did not solve my issue. They could solve yours.
I can, by the way, access my database, but the https://localhost:5500/em does not work. NOTE the https protocol. Maybe
that was the issue from start in my case as well. I have reinstalled the database several times now. Annoying.
So. I will ask Oracle Support tomorrow...
Edited by: linlasj on Sep 29, 2008 1:04 AM
I got this problem, drive me crazy, install three times, what is the answer?????? I am installing 11g
the service can not be started
In the window start --- oracle menu , there is no enterprise manager console item
the serive of the console in the control panel can not be started
I install the microsoft loop adaptor, no matter I set a ip or not, what am I gonna do??
help me please ........