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2003 R2 server to a DC - DCPROMO issue....

Discussion in 'Software' started by Dubfire, Mar 6, 2012.

  1. Dubfire

    Dubfire Byte Poster

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    Hi,

    Today I was attempting to promote a 2003 R2 server to a DC but the error appeared relating to schema issues.

    Now, I only have one other DC (2003 standard) so do I run the adprep.exe (found on the R2 disk) on this server seeing as it has all the FSMO roles? Is it as simple as running the exe from the command line with the following switches - ADPREP /FORESTPREP and ADPREP /DOMAINPREP?

    Cheers,

    Mark

    :biggrin
     
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  2. onoski

    onoski Terabyte Poster

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    What is the error message you get when running dcpromo?
     
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  3. Dubfire

    Dubfire Byte Poster

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    Hi Onoski - I can't remember exactly but it refers to the schema as not being correct (roughly). Like I said the DC is not an R2 server I presumed that running adprep on this machine would 'prepare' the forrest and domain for an R2 DC. My head feels like a fried egg after today - tough day at the office!!
     
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  4. Dubfire

    Dubfire Byte Poster

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    'The version of the Active Directory schema of the source forest is not compatible with the version of Active Directory'- That's the error that appears after running DCPRMO on the R2 member server.

    I think running this command from the R2 disk on the non R2 server should sort it....

    Drive:\CMPNENTS\R2\ADPREP\adprep.exe /forestprep

    But any further input would be appreciated - Cheers.
     
    Last edited: Mar 6, 2012
    Certifications: N+, 270.
    WIP: 291 then 284 for the MCSA.. ITIL...
  5. dales

    dales Gigabyte Poster

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    What's the forest functional level of the production dc at the moment also does the active dc show anything in the event viewer at the same time as you run the dc promo on the new dc. Is the new dc a clean install?
     
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  6. wagnerk
    Highly Decorated Member Award

    wagnerk aka kitkatninja Moderator

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    Check to see if the command that you ran worked:

    The correct version of the ADPrep.exe tool for Windows Server 2003 R2 is 5.2.3790.2075.

    You can verify the operating system support level of the schema by looking at the value of the Schema Version registry subkey on a domain controller. You can find this subkey in the following location:

    HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\NTDS\Parameters

    You can also verify the operating system support level of the schema by using the Adsiedit.exe utility or the Ldp.exe utility to view the objectVersion attribute in the properties of the cn=schema,cn=configuration,dc=<domain> partition. The value of the Schema Version registry subkey and the objectVersion attribute are in decimal.

    Schema Version ObjectVersion values and corresponding operating system support level
    •13=Microsoft Windows 2000
    •30=Original release version of Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1 (SP1)
    •31=Microsoft Windows Server 2003 R2

    See here.
     
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  7. Dubfire

    Dubfire Byte Poster

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    Alright Dales - the Forrest level is 2000 mixed. So, do I raise the domain functional level then ADprep the Forrest/domain?
     
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  8. Dubfire

    Dubfire Byte Poster

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    Added to that, it's a clean install of 2003 and then exchange. A re-build after the last DC went tits up.
     
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  9. onoski

    onoski Terabyte Poster

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    Hi Dubfire, thanks for the info but looks like you might have to extend the windows server 2003 schema first. Read through the technet document as it would give you the steps.

    Steps for Extending the Schema

    Let us know how you get on:)
     
    Certifications: MCSE: 2003, MCSA: 2003 Messaging, MCP, HNC BIT, ITIL Fdn V3, SDI Fdn, VCP 4 & VCP 5
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  10. Dubfire

    Dubfire Byte Poster

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    I ran through the steps and all checked out but when I ran ADprep from the disk it came back with an error relating to it being a valid command but ( I think) because the DC is running a 32 bit copy and the R2 disk is intended for 64 bit OS's. Problem is ive not got a copy of R2 32 bit with me but I do have a self extracting cab file of windows 32 standard. I may go ahead and install that now. Quick one, how do I get the exe cab file onto a bootable disk?

    Cheers once again guys.
     
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    WIP: 291 then 284 for the MCSA.. ITIL...
  11. Dubfire

    Dubfire Byte Poster

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    Scrap my last lads. As I didn't have the R2 32 bit disk I ended up installing 2003 standard and went on to complete DCPROMO -

    Cheers lads.
     
    Certifications: N+, 270.
    WIP: 291 then 284 for the MCSA.. ITIL...
  12. onoski

    onoski Terabyte Poster

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    Glad to hear its all sorted:)
     
    Certifications: MCSE: 2003, MCSA: 2003 Messaging, MCP, HNC BIT, ITIL Fdn V3, SDI Fdn, VCP 4 & VCP 5
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