Loopback Adapter - No Connectivity

I installed a loopback adapter when I installed 10g (I have DHCP).
As of this morning, it say "...limited to no connectivity". I have been unable to repair it. I do have an active internet connection.
My question is: Can I simply remove that current loopback adapter and install another one?.
Thanks.

I cannot believe this...i had the same problem and was able to get beyond the installation of the loopback adapter but was unable to configure the adapter.
I have spent the last 12 hours researching this very problem...i hope with the help of fellow users that we can find the solution of this problem.
Anyhow here is what i have learned so far:
1) you can remove the loopback adapter, the steps are defined in the Oracle Database Installation Guide 10g R2 (B14316-04).
2) In the future you might do what i did...i created a Restore Point (I am using XP Pro) before installing the Loopback Adapter, so when i got stuck i simply executed the restore process and went back to a state before thr change.
This is my first take on this issue...i need to install Standard Edition One 10g
on my xp pro system.
i hope this helps!
talk to you soon!
FITZ

Similar Messages

How to configure MS Loopback Adapter in Windows 7

Hello all,
I installed SAP NetWeaver 7.02 SP06 ABAP Trial Version mainly to teach myself some
WebDynpro Programming for ABAP. Unfortunately this does not work correctly.
I created a View in a Web Dynpro Component and the Layout Preview does not work.
I activated the services suggested in
http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/30129979-011c-2e10-fb9b-a60e0d704c1d&overridelayout=true
and did use the report RSICF_SERVICE_ACTIVATION with the variants
WEB DYNPRO ABAP
WEB DYNPRO ABAP DESIGN TIME
WEB DYNPRO ABAP TEST APPS.
In Addition I have set the FQDN as described in the document. I think the problem is the
MS Loopback Adapter. It is displayed with "No connection" in the Network and Sharing Center. I have no idea
how to change this. I have set the IP Adress to the on suggested in the Installation Instructions (10.10.0.10, Subnet-Mask 255.255.255.0) but the Loopback Adapter is displayed with no connection.
If I call a test webdynpro with the Hostname "localhost" it does work, so I think the webserver is running.
Any ideas ?
How do I set up the MS Loopback adapter under Windows 7 correctly ?
Thank you in advance,
Axel

Hi Axel,
Now that you know your local network works correctly for a computer not connected to internet or intranet, you have to do this:
1- For "No Connection" error (it is not necessary for the sap system to work), it's normal.
Create a local intranet with a 2nd computer if possible and make a configuration for home network after you will see "Connected"
2-Use of Pc hostname
You must configure the "profile parameters" by using transaction RZ10 and activate services (it's not easy, you have to take your time).
3- Webdynpro
To see the result of the webdynpro appli, you may know that not all web browser versions are compatible. The recent browsers don't work, use iexplorer8 or mozilla but not google ==> you will solve the problem of "timeout".
After that:
Activate the "internet communication framework" by using Transaction SICF. It takes you to "Maintain Services" and then fill Hierarchy Type ==>services, execute to reach at this step:
default_host/sap/bc/gui and icf ( If you've installed sap java, you will see both sap and sap_java)
do a mouse right click and select "Activate Service" and choose activate all.
You can now test the sample via web browser by using locahost.
Best regards.
Edited by: Tchounkeu Magloire on Nov 1, 2011 3:48 PM

Is there a way to create a loopback adapter for the mac?

In the MS world, there is a MS Loopback adapter, that allows to create a virtual network card and simulates that there is a LAN cable connected to it.
I would like to see if there is a way to do that in the mac world.
I found this link and I believe is a hint, but I'm not sure if is going to work, I don't want to try it and damage my network settings.
Thanks in advance for your help.
Greg

Here is the link I found http://stackoverflow.com/questions/87442/virtual-network-interface-in-mac-os-x
I have VMWare Fussion running on my MAC, but I want to use IIS on my 2003 Server in VMWare, and I want to browse from Safary to my application running on IIS.
Thanks in advance for your help.
Greg

Loopback adapter not working - can't install Oracle.

I'm attempting to install 10g on a Win XP box that is not connected to a network. Installation instructions dictate to install the MS loopback adapter before database installation. I installed it, but I can't get the loopback adapter to work. It can't find itself with ping and the 10g software won't install without it.
I'm up for a big job using Oracle and I want to upgrade my skills before I interview. This is very important to me. This may sound a bit corny, but I need to pay for a few medical bills and this job has enough of a pay raise to cover my expenses.
I don't like my current job and I love working with Oracle. Can someone please help me?
-Earl

Nvm, solved the problem myself using driver genius pro 10

Using MS Loopback Adapter

Hi, I am running 10g at home on Windows XP Pro. I have installed 2 network connections, one for home internet (DHCP) and another one created with Microsoft Loopback Adapter for running Enterprise Manager.
To run EM, I have to disable the DHCP connection and enable Loopback Adapter. Is there a way to be able to run EM even with both connections enabled? Thanks.

Assuming you set a specific IP address for the loopback adapter, you should be able to specify that IP address in the URL (or an entry in your hosts file that resolves to that IP address) while both connections are active.
Justin

NIC Loopback Adapter

Mac friends
I am facing a problem concerning the creation of loopback adapter.Why do i need a loopback adapter???
Well my intention is to build a network lab on my imac.
The first step is to install GNS3 (Lately available in dmg package).Then we got to upload some router IOS's.So far so goodThe routers work without causing any problem to our powerful machine.
The second step is to install vmWare Fusion,which is a fantastic application to test virtual machines.Now we should install something like OS X Server or Windows Server 2003 or other OS we want to use. I did install Windows XP for network monitoring purposes...
And now the problem....How can i connect my routers to a loopback adapter in case i want to monitor my network through my mac????
Does anybody have an idea about connecting my routers to the virtual interfaces that are created through the OS intallation in vmWare????
Fellows we got excellent machines in our hands and sometimes it makes me angry the fact that i should test somethings in Windows PC's...
Any help will be acceptable....Thnx

Excellent test case, may by you should raise an SR and hope it ends up as a bug.
What happens if you "ping box01.data.local" what IP Address do you get back? You should be looking to get back the loopback address.
What happens if you do a nslookup 192.168.30.64 and 192.168.1.100?
Have you tred setting ORACLE_HOSTNAME? Not sure if this is just for the installer or not.

How to configue "Microsoft Loopback Adapter" ?

Hi,
I have Oracle 11GR1,Win XP. with DHCP enabled.
My conputer gets dynamic IP on connection to internet, so i want to install "*Microsoft Loopback Adapter*".
For that i visited this link:
http://download.oracle.com/docs/cd/B1930601/install.102/b14316/reqs.htm#BABGHEFB_
There, in section 2.4.5.3, Installing a Loopback Adapter on Windows 2003 or Windows XP,
step 20,they said to edit host file.
In this step i have some confusion:
>For example:
>10.10.10.10 mycomputer.mydomain.com mycomputer
What to write in above line in place of mydomain.com ?In above example mycomputer is the computer name.In my case
my computer name is user-5ef511de5
so , i wrote
10.10.10.10 user-5ef511de5 user-5ef511de5
This gave unexpected behaviour. That i was unable to connect on DB through any tool.
Please tell what exactly to write in that host file ?
My computer in standalone computer that frequently gets connected to internet via dial up connection.

bootstrap wrote:
How're you using oracle's own sqlplus? Are you able to connect to the database using cmd--> sqlplus "<username>/<password>@<tns alias>?
Yes
LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 11.1.0.6.0 - Production
Start Date 28-NOV-2010 08:37:44
Uptime 0 days 0 hr. 15 min. 52 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File D:\app\shyam\product\11.1.0\db_1\network\admin\listener.ora
Listener Log File d:\app\shyam\diag\tnslsnr\shyam-5ef511de5\listener\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
The listener supports no services
The command completed successfully
TNSNAMES.ORA:
EARTH =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = EARTH)
)Now, how do you think a connection is going to be established when your listener supports no services??
You may try this:
1. Make a static entry in listener for your database
or
2. Wait for sometime, so that pmon automatically registers the instance with listener
or
3. fire the command: sqlplus > alter system register;
Regards,
S.K.

Do i really need to install Microsoft Loopback Adapter ?

i am installing oracle 10g on windows xp proffessional + AMD sempron 3100+
when started oracle universal installer, i received a warning like following :
DHCP configuration detected , you need to configure ur primary loopback adapter to MICROSOFT LOOPBACK ADAPTER
i m using belkin wireless card to connect to internet and i dont need to change it anyway.
please someone suggest me : whether i shud continue with this warning OR do i need something more before installing oracle 10g ???
thanks in advance,
-imranmca

I have Windows XP professional SP2 with a static ip address of my internal lan.
The installation don't pass the check about lan with the same message as you
"DHCP configuration detected , you need to configure ur primary loopback adapter to MICROSOFT LOOPBACK ADAPTER". Why?
I followed the instructions and now is all working adding in the hosts file 2 lines and not only one:
IP_addr computer_name.domain computer_name
IP_addr sid_name.domain sid_name
I'm not convinced of my euristic solution... can someone explain me why i have to configure the microsoft loopback adapter when i don't have a dhcp configuration?

Windows 2008 R2 - Question About Loopback Adapter

Hello,
I have the following situation:
I have two Windows Server 2008 R2 Enterprise with Service Pack 1.
I use a load balancer (Radware Alteon) in DSR mode, to load balance traffic for between these servers.
To use DSR, I have to configure a loopback adapter on each of the, with the IP address of the VIP that is configured on the load balancer.
Everything is working ok, the adapter is recognizing the network and traffic is being loadbalanced perfectly.
The issue starts here:
I also configure a health check on the load balancer, so it can check the health of the server, and stop forwarding traffic to a server when it fails.
One of the failure conditions, is when the loopback adapter fails.
When the physical adapter fails, it is easy to recognize, because the health check, on its basic, is sent to the IP address and MAC address of the physical NIC of the server.
When it is not responding, the server is considered as failed.
However, to recognize a failure of the loopback adapter, the health check is being sent to the IP address of the loopback adapter (that is the VIP) and to the MAC address of the physical NIC.
The load balancer is doing that perfectly and the health checks are passed when the loopback is up.
However, when we simulate a loopback failure, by disabling it, the load balancer does not recognize the failure.
Instead, we just see, in the load balancer statistics, that the server response time is very high (more than 3500000 ms) but the server is up.
The check that we use is a simple ICMP ping request, and we are expecting an ICMP reply withing the specified configured period of time (that is, the timeout).
We started a sniffer catpure on the switch connected to the server.
We saw the following behavior:
When the loopback is disabled, the server still replies to the ICMP requests, but with ICMP redirect (redirect for network)
The ICMP redirect message is sent fromt the source IP address and MAC of the physical NIC.
Then, another ICMP request is sent, and here is also a weird behavior:
The request is sent from the source IP address of the load balancer and source MAC of the server, destination IP address of the loopback adapter (that is the VIP) and destination MAC of the load balancer.
It is clear that this ICMP request is from the same "ICMP session" that was just sent, because it is being sent milliseconds after the first request and ICMP redirect reply. It is not a new health check, because a new health check will be sent after
the interval configured (5 seconds after the first ICMP request).
I don't know if this request is being sent from the server, which means that it spoofs a request from the load balancer by using its IP address as the source, or is it a request being sent from the load balancer, which means it spoofs a request from the server
by using its MAC address as the source.
My question is, if anyone saw such behavior of:
1.) ICMP redirect from the server on Windows 2008 R2 when the loopback is disabled.
2.) A seconds request within the same timeframe of the first request, not a part of a second health check.
I configued the loopback adapter properly, with the weakhostsend and weakhostreceive enabled, and with forwarding enabled (using netsh).
I tested the same topology with Windows Server 2003 Enterprise Edition Service Pack 2.
On this OS, when the loopback is disabled, it just not sending an ICMP reply at all.
Thanking in advance, Udi Dahan.

Did you get an answer?

Microsoft Loopback Adapter

Hello,
I need help with configuring MS Loopback Adapter. I am trying to setup Oracle 11g r2 on my Windows 7 Professional laptop which is not connected to any network. There is no virtual network like VMWare either. I followed the instructions in the Oracle release notes but the loopback adapter still says "No Network Access"
The Device Manager for the adapter says, "This device is working properly"
C:\Windows\system32>ipconfig/all
Windows IP Configuration
Host Name . . . . . . . . . . . . : P7One
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
Ethernet adapter Local Area Connection 2:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Loopback Adapter
Physical Address. . . . . . . . . : 02-00-4C-4F-4F-50
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 10.10.10.10(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
NetBIOS over Tcpip. . . . . . . . : Disabled
Control Panel>>System shows:
Computer Name: P7One
Full Computer Name: P7One
My laptop is not on any domain. I edited the hosts file as follows:
10.10.10.10 P7One P7One
Network Connections>>Local Area Connection 2
Properties:
I check IPv4 and unchecked everything else.
IPv4 Properties>>Advanced>>WINS
I disabled NetBIOS over TCP/IP <--------- Not sure if this was required.
I disable all other Network connections like Bluetooth and Wireless while trying to use MS Loopback Adapter but the Local Area Connection 2 Status dialog box says:
IPv4 Connectivity: No Network Access
IPv6 Connectivity: No Network Access
Media State: Enabled
Duration: 00:00:00
Speed: 10 Mbps
Activity:
Packets sent: 31. Received:0
Please help me out here. Thank you!

DBCA again failed during reinstallation of Oracle with the following error messages:
DIM-00019
OS-1053
ORA-12560
INS-20802
The description of these messages are 3 posts above in this thread.
Updated cmd results after reinstallation:
C:\Windows\system32>ping p7one
Pinging P7One [10.10.10.10] with 32 bytes of data:
Reply from 10.10.10.10: bytes=32 time<1ms TTL=128
Reply from 10.10.10.10: bytes=32 time<1ms TTL=128
Reply from 10.10.10.10: bytes=32 time<1ms TTL=128
Reply from 10.10.10.10: bytes=32 time<1ms TTL=128
Ping statistics for 10.10.10.10:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
C:\Windows\system32>lsnrctl start
LSNRCTL for 32-bit Windows: Version 11.2.0.1.0 - Production on 21-MAY-2011 13:24
:27
Copyright (c) 1991, 2010, Oracle. All rights reserved.
TNS-01106: Listener using listener name LISTENER has already been started
C:\Windows\system32>lsnrctl status
LSNRCTL for 32-bit Windows: Version 11.2.0.1.0 - Production on 21-MAY-2011 13:24
:46
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 11.2.0.1.0 - Produ
ction
Start Date 21-MAY-2011 13:18:30
Uptime 0 days 0 hr. 6 min. 19 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File D:\app\P7\product\11.2.0\dbhome_1\NETWORK\ADMIN\listen
er.ora
Listener Log File d:\app\p7\diag\tnslsnr\P7One\listener\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
C:\Windows\system32>lsnrctl service
LSNRCTL for 32-bit Windows: Version 11.2.0.1.0 - Production on 21-MAY-2011 13:25
:56
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0
LOCAL SERVER
The command completed successfully
C:\Windows\system32>
Please note that it is still not using 10. address.
C:\Windows\system32>sqlplus
SQL*Plus: Release 11.2.0.1.0 Production on Sat May 21 13:34:41 2011
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Enter user-name: / as sysdba
ERROR:
ORA-12560: TNS:protocol adapter error
Enter user-name:
I believe I have not been able to successfully configure MS Loopback Adapter.
In Control Panel >> Network Connections it is still showing:
Local Area Connection 2
Unidentified Network
Microsoft Loopback Adapter
No Network Access
Edited by: 859535 on May 21, 2011 10:40 AM

Installed OBIEE on laptop without loopback adapter

Hello there
I have installed OBIEE 11.1.1.5 on my personal laptop which was on DHCP network and connected to Wi-Fi. However prior to installation i did not install & configure the loopback adapter. Now when i try to go out of my Wi-Fi network and its not on any network hence looses the IP address, the server fails to start correctly and throws following error 'could not get secure socket for host and port 9501'. Any suggestions on how to fix this problem?
Regards
Ashish

According to the following note, your installation will not proceed without the loopback for DHCP:
"If you attempt to install on a Windows machine that is using DHCP, does not have a primary DNS suffix, and does not have a loopback adapter configured, then the Oracle BI installer will stop at the screen prompting for the Administrator user details. This appears as a red cross in the tree on the left hand side of the installer. This issue is caused by the installer not being able to resolve the IP address to a hostname.The workaround is to configure a loopback adapter or primary DNS suffix"
Have you tried to set up the loopback and also the etc/hosts file and re-install?
if this helps please mark the response accordingly.

Accessing Oracle on loopback adapter remotely

Hello All,
Facing trouble using Oracle 10g services remotely under same network. I have installed Oracle 10 G using Loopback adapter giving it 10.10.10.10 local IP. now i am try to access the same oracle service from another machine on the same network. using "jdbc:oracle:thin:@168.110.111.222:1521:ORCL", not able to access. though when keep the same IP in tnsnames.ora , tnsping for define TNS entry responds fine.
Please advise
many thanks in advance.
-Nitin
Edited by: user12946423 on Sep 19, 2010 8:08 AM

Facing trouble using Oracle 10g services remotely under same network. I have installed Oracle 10 G using Loopback adapter giving it 10.10.10.10 local IP. now i am try to access the same oracle service from another machine on the same network. using "jdbc:oracle:thin:@168.110.111.222:1521:ORCL", not able to access. though when keep the same IP in tnsnames.ora , tnsping for define TNS entry responds fine.
you installed oracle 10g uisng the loopback adapter... it means that ip can be used only on that computer... if u want to connect to the oracle 10g from a remote computer through the lan....
go the network properties (where u can see all the list of netwok adapters on the systems).... you will see the loop back adapter... select it and then select the other adapter which is connected to the lan (i mean the network adapter that this computer uses to communicate with the remote computer that you are using)... then select both of these adapter and the right click and then click the bridge connections... now.. both the networks will be able to connect... after bridging the connection try using ping whether u are able to get a reply... remember ping will be blocked by the windows firewall so disable the firewall in both the computer if u dont get a reply...

TNS-12538: TNS:no such protocol adapter, and install MS loopback adapter

Hello,
I am trying to install oracleAS Infrastructure and portal on my windows xp pc. (Oracle Application Server 10g Release 2 (10.1.2)
At some point of the installation for Internet Directory Configuration Assistant, there is an error:
===========================================================
Output generated from configuration assistant "Internet Directory Configuration Assistant" (attempt 2):
Myinfra.mypcname.domainname
java.sql.SQLException: Io exception: The Network Adapter could not establish the connectionat oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:137)
===========================================================
After did some searching, I find I may need to install MS loopback adapter.
So I followed http://support.microsoft.com/kb/839013 to install the MS Loopback adapter.
After I installed, When I open the Network Connetcions, I found there are two local area connetcions. One of then called local area connection 2, and it's MS loopback adapter. I got a warning for local area connection 2, it says that my pc does not have a IP address assigned, and its status is : limited or no connectivity .
I tried to repair to establish the full connection by clicking on the repair button, but the process is failed.
I also tried to run command: tnsping orcl ( orcl is my database service name ), after installed the loopback adapter.
tnsping orcl, still got this error:
======================================================
C:\>tnsping orcl
TNS Ping Utility for 32-bit Windows: Version 9.0.1.4.1 - Production on 16-MAR-20
06 22:41:35
Copyright (c) 1997 Oracle Corporation. All rights reserved.
Used parameter files:
E:\oracle\product\10.1.0\Db_1\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST =mypcname.mydomainname)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl)))
TNS-12538: TNS:no such protocol adapter
===================================================
btw. my pc IP was assigned by DHCP, and pc host name is something like: abcd.abc.edu
Q1. I am wondering which local area connection is currently used by default ? If it's the old one, how to configure it to use the new added one? ( local area connetcion 2 ).
Q2. Do I have to install MS Loopback adapter for installing Oracle Application Server 10g Release 2 (10.1.2)?
I don't have a fixed IP, however my IP is seldom changed. And I'm ok with 127.0.0.1
Any suggestion ?
Thanks for your reply,
Emily

Hello,
I am trying to install oracleAS Infrastructure and portal on my windows xp pc. (Oracle Application Server 10g Release 2 (10.1.2)
At some point of the installation for Internet Directory Configuration Assistant, there is an error:
===========================================================
Output generated from configuration assistant "Internet Directory Configuration Assistant" (attempt 2):
Myinfra.mypcname.domainname
java.sql.SQLException: Io exception: The Network Adapter could not establish the connectionat oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:137)
===========================================================
After did some searching, I find I may need to install MS loopback adapter.
So I followed http://support.microsoft.com/kb/839013 to install the MS Loopback adapter.
After I installed, When I open the Network Connetcions, I found there are two local area connetcions. One of then called local area connection 2, and it's MS loopback adapter. I got a warning for local area connection 2, it says that my pc does not have a IP address assigned, and its status is : limited or no connectivity .
I tried to repair to establish the full connection by clicking on the repair button, but the process is failed.
I also tried to run command: tnsping orcl ( orcl is my database service name ), after installed the loopback adapter.
tnsping orcl, still got this error:
======================================================
C:\>tnsping orcl
TNS Ping Utility for 32-bit Windows: Version 9.0.1.4.1 - Production on 16-MAR-20
06 22:41:35
Copyright (c) 1997 Oracle Corporation. All rights reserved.
Used parameter files:
E:\oracle\product\10.1.0\Db_1\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST =mypcname.mydomainname)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl)))
TNS-12538: TNS:no such protocol adapter
===================================================
btw. my pc IP was assigned by DHCP, and pc host name is something like: abcd.abc.edu
Q1. I am wondering which local area connection is currently used by default ? If it's the old one, how to configure it to use the new added one? ( local area connetcion 2 ).
Q2. Do I have to install MS Loopback adapter for installing Oracle Application Server 10g Release 2 (10.1.2)?
I don't have a fixed IP, however my IP is seldom changed. And I'm ok with 127.0.0.1
Any suggestion ?
Thanks for your reply,
Emily

Problem after makinf loopback adapter

after installing oracle I make the loopback adapter to calling the report
then this good
but when I connect to I nternet The report not calling but after disconnect fron Internet report work good
what is the solution
my windows xp2
database 10g R2
developer 19g
thanks

How are you making the call to the report

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Can I use a mini display port to VGA adapter and then a VGA to av adapter to connect my MacBook pro to my standard definition tv?

No. You need a converter box like this to go with your MDP-VGA adapter:
http://www.amazon.com/PC-To-TV-Video-Converter/dp/B001CJOLBW/ref=pd_cp_e_2

Loopback Adapter - No Connectivity

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