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I am installing Windows XP Pro on a virtual machine (Virtual Box). The install went fine, and networking appears to be fine (can browse the internet through IE). However, I am unable to install Windows XP SP1a.

I downloaded the SP1a express installer, which is a small couple MB installer that downloads the remaining content during installation. However, when I run the installer, I get "server did not respond" errors.

Does anyone know of an official place to get the offline network installation version of SP1 or SP1a? I can't seem to find it on the MS website anywhere, everything I find points to the 'express' installer.

share|improve this question
Why SP1a and not SP3? – grawity Oct 17 '11 at 0:00
@grawity don't you have to install sp1 first? then sp2, before sp3? – CoolUserName Oct 17 '11 at 0:14
No. SP2 then SP3 is enough. – grawity Oct 17 '11 at 0:43
@JourneymanGeek Just tried SP3 first - complained that the OS must be at least SP1 to proceed. – CoolUserName Oct 17 '11 at 1:57
@Journeyman: XP SP2 is cumulative (includes all of SP1), SP3 is partly incremental (includes SP2 but not SP1) – grawity Oct 17 '11 at 9:36
up vote 10 down vote accepted

From what I can find, Windows XP Service Pack 1 did not have an offline install version.

However, SP2 includes all updates released before, so SP1 is not necessary. It should be enough to install SP2, followed by SP3. This doesn't include updates after SP3, though, so be sure to visit Windows Update.

You can download Service Pack 2 and Service Pack 3 from the Service Pack Center.

Correction provided by iOSXPC: Service Pack 1a does have an official 125 MB offline installation.

share|improve this answer
Yes they did ,I still have copies of the original offline installers, XP SP1 and the later SP1a, 137mb and 128mb respectively. – Moab Oct 17 '11 at 2:23
My bet is that since SP1 is no longer supported, you can't download it as an offline from the usual spots. Notice you can't download 2K anymore. . . – surfasb Oct 17 '11 at 10:54

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