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Hi,
How can i get a MAC Table from 3com Switch by SNMP request?
i think that i can do that in atTable in mgmt >>mib-2
by testing this table i can't get any value from my switch
Why?
Thanks for all...
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Try to read an article[^] cisco product. It might give you some idea relate to your 3com product. On the other hand, i suggest you to read the product documentation for more detail.
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I am wanting to set up a domain controler for a small network (9 machines).
What info I have is lacking and am looking for some guidance references. I think I know the concepts, but have never actually set any domains up. The controler seams to be correct from what I can tell from it's control panels, but no other machines recognise the domain, when I try to switch from work group to domain. I do not mind reading and spending some time at this. But preferably a few days and not months. 
"Every new day begins with possibilities. It's up to us to fill it with things that move us toward progress and peace.” (Ronald Reagan)
-- modified at 19:46 Friday 21st April, 2006
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If no other machines recognise the domain, it's probably because they aren't able to resolve the DNS name. You need to make all your machines' primary and only DNS server be the domain controller, assuming that your domain controller is the domain's DNS server. The DC's own primary DNS server in its network connection properties should be itself. Again, the secondary DNS server field should be blank, unless you actually do have a secondary DNS server with the same contents.
Make sure that your domain controller has a static IP address so that you can enter this as the DNS server address on the clients, or in your DHCP server software if you're using DHCP.
To ensure that your other computers can still resolve DNS names outside your domain, you need to tell the DNS server software where to forward requests to. In the DNS snap-in, go to the server properties, the Forwarders tab. Enter your ISP's DNS servers here.
Stability. What an interesting concept. -- Chris Maunder
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Thank you, Mike.
I think I have done everything you mention in the first two paragraphs. I have to relook at the forwarders tab. But I would think that would just not let the see the outside world.
I know I need to read a little more. Obviously I am missing something. Just not sure what to read.
Do you know what impact I have if my domain does exist outside in the real world? I added home. to the front of it. i.e. home.barnhart.com.
Thanks again, I appreciate the response. Lets me know I not totally off.
"Every new day begins with possibilities. It's up to us to fill it with things that move us toward progress and peace.” (Ronald Reagan)
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For the record, I found an incorrect entry in the WINS settings that was the above problem. So progress but all is not well.
When I try (and I am only working with on client test box at this time.) I fail to "find the network path" when I try to join. I do get a login request for username/password. After making an entry I get the error message a 1/2 minute later. To note the same error occures no matter what I give for the username and password. I have tried the admin account and my account with and with out the @domain for the usernames (in addition to one garbage entry.)
Now:
From the MS Knowledgebase: SYMPTOMS You are unable to add your Windows 2000 Professional or Windows 2000 Server computer to an Active Directory domain. When you specify the domain to join, you receive the following error message:
The following error occurred when attempting to join "domain name". The network path was not found
CAUSE This behavior can occur if you are using an incorrect Internet Protocol (IP) address for the Domain Name Service (DNS) server.
RESOLUTION To resolve this behavior, use the correct DNS server IP address and then join the domain.
MORE INFORMATION Click Start, point to Settings, point to Network and Dialup Connections, and then click Local Area Connection.
Click Properties.
Click Internet Protocol (TCP/IP), and then click Properties.
Click Advanced, and then click DNS.
Select the incorrect DNS IP address, and click Edit.
Type the correct IP address for the DNS server, and then click OK.
Click OK on the open dialog boxes to close them, and then click Close.
I have been through all of these settings several times and see nothing wrong. To test I did ping the domain controler with both the ip address and the domain name. Full response with both option. That tells me the DNS setup is correct, RIGHT?
I ask is there any other tests I can make from a "client" box to test the dns setup?
Am I missing the correct format of the username to login?
Thanks for reading.
"Every new day begins with possibilities. It's up to us to fill it with things that move us toward progress and peace.” (Ronald Reagan)
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Get out the CD for the server and install the Support Tools. Then run dcdiag to test the domain controller (assuming that the server is the DC). Also run netdiag from the same toolset. These run some tests against the machine to determine whether the network settings are correct and if the DC is functioning. It's a good start, anyway, and usually yields some good clues about where to search next.
"...a photo album is like Life, but flat and stuck to pages." - Shog9
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Roger Wright wrote: usually yields some good clues about where to search next.
Yes, First I clearly do not understand the relationship between the dhcp service and the dns service.
For my testing enviroment my dsl router does provide dhcp capability. I turned off the dhcp on the server and back to where I started (could not fine the domain controler).
Ok turn it back on and configure the DHCP service. Ok, back to can not join due to "find the network path" again.
Running the dcdiag does give me some message but it is trimmed off.
" Event String: The DHCP/BINL service has determined that it is"
Do I have to have the DHCP server running on the same box? I would think not.
In either case is it best to turn off dhcp on the dsl/cable routers when setting up a domain controler and using it's dhcp?
"Every new day begins with possibilities. It's up to us to fill it with things that move us toward progress and peace.” (Ronald Reagan)
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Only one DHCP server can exist on a network, but it doesn't matter which one you use particularly. One advantage of using the router DHCP is that it can update hosts with new configuration info - your ISP's DNS and Gateway server addresses, for instance - when and if they change. One advantage of using Win2K's DHCP is that it can automatically update your DNS if the address of a host on your network changes. Since that's unlikely, I'd use the router for DHCP and disable the service in Win2K.
Try using dcdiag > dcdiag.txt to get it to write to a text file, then view the file. That should eliminate the truncation. You can also use dnscmd.exe to view dns records by zone and check that there is a DC record for the domain controller.
"...a photo album is like Life, but flat and stuck to pages." - Shog9
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I've never found a decent reference, despite running a Win2K server for years and having purchased several books on the system. It never worked right, and every Microsoft article I found by searching the KB was irrelevant or ineffective. I remain convinced, however, that making the DNS system work correctly is the key to making everything else work properly, and that remains a mystery. Dump WINS and the DHCP service if you don't have old computers on your network, and focus on making DNS work. Active Directory depends on it, and you can add back those services if you really want to later.
"...a photo album is like Life, but flat and stuck to pages." - Shog9
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Roger Wright wrote: I remain convinced, however, that making the DNS system work correctly is the key
I definitly believe that is true.
Roger Wright wrote: Dump WINS and the DHCP service
Already done. Just had missed some clean up. The only old machine left can be shot or it is ok that it just gets to the outside world and a printer for guest users.
Thanks for the words of wisdom.
"Every new day begins with possibilities. It's up to us to fill it with things that move us toward progress and peace.” (Ronald Reagan)
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Thanks,
"Every new day begins with possibilities. It's up to us to fill it with things that move us toward progress and peace.” (Ronald Reagan)
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Hi, a friend of mine has a problem with his new scanner and windows xp. He told me that the first time that he plug a scanner to his system, its ask for a device driver. Then he install the driver successfully and could use it as normal. If he don't use the scanner and unplug for one hour and plug again it work fine too but the problem is when he unplug for 2 or 3 days and use it again, it always ask to install the device driver as the first time that the scanner plug to the system. I can't discover this problem and does any people have any idea with this problem?
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Well, for any Plug and Play hardware, you always install the software FIRST, then plug the hardware in.
In this case, I'd probably start by unstinstalling the software and disconnecting the scanner. I'd then go to the manufacturer's site and see if there is an updated version of the software/drivers. Then I'd check to see if there are any known issues in their KB. Then I'd reinstall the software and LASTLY plug the scanner back in.
Dave Kreskowiak
Microsoft MVP - Visual Basic
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Thank you very much for your comment. I will try to do as your suggestion and check the website of the scanner vedor if they are post any KB article relate to this product.
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Where is it? Technet won't cough up an answer, and even Google is stumped. That pesky router from my ISP doesn't block Messenger packets, and overnight someone loaded up the server with messages. I disabled the service this morning, but I know there must be a file somewhere that holds all the as yet undelivered messages received overnight. Any clues?
"...a photo album is like Life, but flat and stuck to pages." - Shog9
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I recently had an interesting problem hit my system. I am running Windows XP Professional x64 with IIS 6.0 running, (mostly recognized as Windows 2003 Server). I say interesting now, but I was about to  !@#@!#@@! , loose it.
Here goes: Local web pages of any type, (why I did not say HTML), would not display on my system, or if they eventually did, it took up to 5 minutes to do so. When I would try to display what I was working on in Visual Studio 2005, and *.asp? pages, this would still happen. At times I also noticed that external websites were giving me problems, but those pages would normaly load, although slowly. Another thing I noticed was CPU usage was maxing out for long periods of time.
I finaly had had enough and called in Microsoft© Tech Support. After a total of 7.5 hours of running Live Meeting® the cause was finally discoverd. When I setup IIS 6.0, a componet TCP/IP ver 6.0 was also loaded, instead of the normal version. One of the techs was from their network department, and he was the one who found the problem. It seems that version 6 is a beta version and they are having reports of problems from this module.
So, if anyone out there is running this and / or just having web problems, this is a place to look.
Have a great day! 
DB_Cooper1950
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Hi,
There is multithreading capabilities in IIS 5.1 but how do we enable and manage multithreading?
I would like to know the general steps to do so.
Or any weblinks describing multithreading management in IIS would be appreciated also
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This is my recollection of some material that, IIRC, was in "Transactional COM+" by Tim Ewald.
All requests in IIS 5.x come into the inetinfo.exe process. This process has a pool of threads for processing requests. It works out whether any user code needs to be executed for a given request; if not the thread receiving the request simply locates the static content, serves it, and returns to the thread pool waiting for the next request. This thread pool is, IIRC, dynamically sized by IIS.
If user code does need to be executed, IIS checks the Application settings for Application Protection. If the Application Protection level is Low (IIS Process), the pool thread executes the user code directly. If set to Medium (Pooled), IIS accesses an instance of the IISWAM.OutofProcessPool COM+ component, which runs in a shared host process (dllhost.exe). This host process is also multithreaded. For an application marked High (Isolated), the application is given its own, separate dllhost.exe process.
For an ASP page, the worker thread that's processing the request then hands off the request to a different pool of threads used for executing ASP requests.
For ASP.NET, the file extensions used for ASP.NET are associated with an ISAPI extension, aspnet_isapi.dll. This extension starts up an aspnet_wp.exe process if one is not already running, which again has its own thread pool which manages requests. To configure the behaviour of the ASP.NET worker process, see machine.config.
In writing this response I referred to these articles: Optimize ASP and IIS by Decoupling Long-running Requests[^] and Diagnosing Problems in IIS[^]. I hope these are of use to you.
Stability. What an interesting concept. -- Chris Maunder
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Can anybody help? I need to create a ROM image of a Pocket PC 2003 (2nd Ed) with 3rd party application installed and then flash the whole lot back to the ROM. I am trying to acheive a state whereby if the device (An Acer n30) is hard reset, all the setup and installed applications are there, ready to go.
Any helpful suggestions appreciated.
If anybody can do this as a professional job, please let me know.
Thanks.
Andy Brenton
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The only way you can do this is to contact Acer and ask them to make a special build for you. I think this is going to be highly unlikely.
A better option is probably to investigate AutoRun from a storage card, and simply fit each unit with an SD card containing your program's installer. That's more-or-less what we do.
Actually we work mainly with Symbol hardware, sometimes Intermec and HHP. Symbol have drivers which copy files and parse registry files from specific flash file systems on hard reset. Intermec's built-in flash file store on some units acts like a storage card, so the AutoRun mechanism works there. HHP have a process that runs after cold boot which looks for and installs CABs stored in a particular persistent location.
Alternatively look for a device running Windows Mobile 5.0, which has persistent storage. You then no longer need to worry about the device hard resetting due to a flat battery. My experience with Symbol's Windows Mobile 5.0 devices is that it's actually very hard for the user to wipe the persistent storage.
Stability. What an interesting concept. -- Chris Maunder
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Hello. I cloned WinXP Prof for 20 computers (with True Image). After clone network works about 1-15 minutes, computers disappear.
Thank you for attention!!!
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Did you change the machine SID on the clones before you added them to the network? Google for "NewSID" and you'll find what I'm talking about.
Dave Kreskowiak
Microsoft MVP - Visual Basic
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I changed SID before add to the network. I changed SID with NewSID, after that i add to the network. Network works 5-15 minutes, after that copmuter by computer disappeares.
Thank you for attention!!!
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