Error when installing Networking components (DNS) on server 2003 R2

 Just reinstalled server 2003 R2 in my home lab (I have done this several times in the past with no problems) Anyway when I go to install the networking components (DNS and DHCP ect..) It tells me to insert the compaq disk labeld "Service pack 2" CD-ROM and then click o.k.  In the past I have only had to insert disk 2 of the installation disk which I have done, with no luck. I have never had to do this in the past, is there a service pack 2 for this I need to download? Just can't figure out how that would block the install since I've always used these installation disks and never had a problem.
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CJ27Author Commented:
Update: when I Rt click on My computer and go to properties it says:
Microsoft windows server 2003 R2
Standard edition
Service pack 2

So I already have service pack 2 installed.
All the components you need should be in the Windows Server Disk 1 - in the i386 folder.  Have you tried using the 1st install disk?

Also this is a bit old but you seems to be the same for all versions of windows..

See what you values are in the registry.

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Did you used a Win 2K3R2 sp2 kit or did you aply the Sp2 post install?
If you installed the Sp2 after installation you should deploy all network services before to install the SP2 or to reapply the Sp2 after each modification on the installed components. And all files should be on the disk 1, the second disk is only for "R0 to R2 transition".
So try to uninstall the Sp2, activate the network services you need, then reapply the Sp2, or force him to use the DIsk1 files and reinstall the Sp2.

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