Slipstreaming issues beginning with SharePoint August 2012 CU (Part 2)

In my last post, I described the installation errors that I experienced when attempting to do a slipstreamed install of SharePoint 2010 with SP1 + August 2012 CU, and a workaround that I’d implemented in AutoSPInstaller to allow the script to proceed beyond the error. It seems however that I was a tad hasty… subsequent testing revealed that the errors were not just benign & safely ignore-able – you’d basically be left with a half-patched SP2010 installation afterwards. This was evidenced on two fronts: the version info on certain files were still showing the SP1 build, and the fact that I was able to re-run the August 2012 CU after the supposed successful slipstreamed install and could see it was actually doing stuff (instead of just quickly exiting with an “…already applied” type of message.

In discussing this problem with the usual suspects, we discovered that the August 2012 CU does indeed behave differently. Although SharePoint 2010 Service Pack 1 was nearly always listed as a prerequisite for CUs released after it, up until recently it seems it didn’t actually matter whether SP1 was installed before or after the CU. However, with the release of the August 2012 CU, this has apparently changed – the CU won’t even install on an existing farm if it fails to detect the presence of SP1.

Though we have a support case open with Microsoft about this issue, at the moment we don’t have a real solution. One viable workaround though would involve simply using a slipstreamed source containing SP1 (optionally with the June 2012 CU – the most recent one that worked for full slipstreaming), then afterwards applying the August (or October) 2012 CU. Yes, a pain in the butt… You could even go one step further and run the CU with unattended switches to ease the manual pain – probably the best approach if you’re looking for the latest & greatest SharePoint 2010 build with minimum steps & effort.

I’ll update this post as soon as I confirm any new details, either from the open support case or from the general Interwebz/Twitterz.

Update (Jan 14/2013): Trevor has posted this update based on the support case he opened with Microsoft. Let’s cross our fingers that we see a fix before (heck, or even with) SP2.

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2 Responses to Slipstreaming issues beginning with SharePoint August 2012 CU (Part 2)

  1. Pingback: Slipstreaming issues beginning with SharePoint August 2012 CU (and a fix) | Lala Land

  2. Fred says:

    Plan to install SharePoint 2010+SP1 (SharePoint dvd includes SP1!) and the December CU 2012 (all slipstreamed) with autospinstaller version 3.
    CanI do this, or should I install SharePoint 2010 incl SP1 with the autospinstaller script withhout the December 2012 CU ?
    Then after the farm installation and configuration is completed, install the December CU 2012 manually ?
    Please advice.

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