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Wireless Networks Thread, RIS GUID Problems in Technical; Well its not RIS its a batch of client PC's that are all showing the same GUID (FFFFFFFFFFFFFFFFFFFFFFFFFFFF0620) which is ...
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    paul's Avatar
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    RIS GUID Problems

    Well its not RIS its a batch of client PC's that are all showing the same GUID (FFFFFFFFFFFFFFFFFFFFFFFFFFFF0620) which is causing me megga problems with RIS as all 30 of the machines want to be called the same host name! I have tried adding the BannedGuids line to the registry on the RIS box but this has no effect what so ever!
    Any ideas? PC's are crappy old Celeron 1.7GHz with onboard LAN (realtek RTL8139), have also tried 3Com PCI cards but the GUID is still the same?

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    ChrisH's Avatar
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    Re: RIS GUID Problems

    Maybe a BIOS update may sort ti but I wouldnt hold my breath.

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    Re: RIS GUID Problems

    You need to get a utility from the supplier which will rewrite the UUID in the BIOS. I've had this from time to time and the supplier has usually known what to do. What make are these PCs?

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    Re: RIS GUID Problems

    They are from a local firm, as already mentioned they are about 4 years old these are machines from before my time as i only buy Dell now unless I can get somit from the motherboard manufacturer I'm probably snookered - yet another reason not to buy from Joe Bloggs!

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    Re: RIS GUID Problems

    @paul - Sorry, I should have read the original post more closely. As you have found out, the UUID is not part of the network interface, but encoded on the motherboard itself.

    One other possibility might be to install the PCs one at a time as follows;

    - Install the first PC

    - In AD Users & Computers (or ADSIEDIT if absolutely necessary), remove the UUID entry (it's NetbootGUID in ADSIEDIT). This effectively makes the PC a non-managed PC, but once it's built then that doesn't matter.

    Im guessing that you would need to wait for the build to complete as the
    computer account is created during the non-GUI section of the install. You could kick of one install, wipe out the UUID in AD then kick off the next one.

    Might be worth a try...

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    Re: RIS GUID Problems

    When you tried the 'banned GUIDs' fix, did you reorder the GUID as per this MS KB article?

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    Re: RIS GUID Problems

    When this happened to me i just tell it to do a custom install and specify its name manualy in the RIS bootup on the rig and it just says you will have issues if using the GUIDs to mange them which i just hit return and off it goes. You have to modify your RIS boxes settings in the Default Domain Policy to allow you to run a custom setup. It makes putting new rooms in a since as you tell it custom setup, name them and off you go for life.

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    Re: RIS GUID Problems

    Surely that will give each pc the same computer account? If not please let me know as I have 400 ergo laptops to RIS & I don't fancy building them all by hand!!

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    Re: RIS GUID Problems

    Paul

    I have had this exact same problem. I have a disk that you put in the machine and it restes the guid to the date and time you do it to the second so no two machines can be the same. You just boot the floppy type one line of code and bam done.

    If you like i can email you the files?

    Dan

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    contink's Avatar
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    Re: RIS GUID Problems

    Quote Originally Posted by DSapseid
    Paul

    I have had this exact same problem. I have a disk that you put in the machine and it restes the guid to the date and time you do it to the second so no two machines can be the same. You just boot the floppy type one line of code and bam done.

    If you like i can email you the files?

    Dan
    Dan, if it's legal to do so, it'd surely be useful to have something available for download on here... I just know this is going to crop up at some point.

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    Re: RIS GUID Problems

    Yeh good point. Below is what you need to do to get it to work.

    1. Find a floppy disk!
    2. Reformat it as a MSDOS startup disk
    3. Copy the files in the ZIP file attached onto the disk
    4. Boot from the floppy
    5. It should give a screen that looks similar to CMD, i.e. a:\
    6. Type UUID /u and press return
    7. It will then give it its new GUID once it has completed its proccess it will return to the screen in number 5.
    8. Reboot machine and RIS.

    Jobs a good'n

    Hope that all makes sense.

    Dan
    Attached Files Attached Files

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    Re: RIS GUID Problems

    I'm in the process of doing this now, thank you very much for the files...

    I had originally looked for something like this, but have been told by Asustek (Ergo re-badge their laptops) that the UUID is read-only on this model!! So, I'll let you know if I have any success...

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    Re: RIS GUID Problems

    Quote Originally Posted by Colditzz
    I'm in the process of doing this now, thank you very much for the files...

    I had originally looked for something like this, but have been told by Asustek (Ergo re-badge their laptops) that the UUID is read-only on this model!! So, I'll let you know if I have any success...
    No probs just hope it works!

    It has saved me a few times none more so than recently when we had 65 new machines delivered all with the same GUID!

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    Re: RIS GUID Problems

    It failed, read-only... Thank you for your efforts though. I guess I have a lot of accounts to pre-stage and edit!!

    FYI the Ergo model is Ergo Ensis L4000L, watch out for these in future!!

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    Re: RIS GUID Problems

    Quote Originally Posted by Colditzz
    It failed, read-only... Thank you for your efforts though. I guess I have a lot of accounts to pre-stage and edit!!

    FYI the Ergo model is Ergo Ensis L4000L, watch out for these in future!!
    Thats a pain in the a$$. Surely that is shoddy building of the machines by them? Is there no way that you can flash bios or similar to remove the read-only? Could you not send the laptops back and get different machines? ones that are not read-only!

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