I don't do patches. Nobody does patches for this platform - it isn't worth the effort.
The MSIs aren't installed interactively - ever. Strictly Microsoft system management tools and our own home-grown extensions. We have the worst case of "NIH" syndrome ever. Thanks for the feedback, mostly just wanted a sanity check from someone more experienced with this stuff that there's really nothing to be done. :) On Thu, Jun 18, 2015 at 11:27 AM, Phil Wilson <phildgwil...@gmail.com> wrote: > If memory serves, I think that Windows will ask for the original > install media if the cached MSI is missing. That should be testable. I > don't think there's anything that can be done in the MSI file to help, > so I woouldn't worry about different authoring approaches. > > Patches are more problematical. If there is an installed product that > was then patched, the base MSI can be provided, but since the > installed product consists of MSI+patches, the actual installed > product can't be rebuilt. It may ask for the patch in that situation. > It looks like you have some testing to do. > --------------- > Phil Wilson > > > On Thu, Jun 18, 2015 at 8:23 AM, Walter Dexter <wfdex...@gmail.com> wrote: > > Hi, all. > > > > I know you're going to just shake your head at this, but here it is. > > > > I create installers for one of many products that install onto a group of > > roughly 14,000 systems at my employer. Some of these systems have drives > > that are small by modern standards, and thanks to a weird partitioning > > scheme, the drive with the Windows directory is seldom more than 30 - 40 > GB. > > > > I've just found out that, in order to get enough drive space to keep > > running, our support team sometimes deletes the contents of the > > windows\installer directory - the Windows Installer Cache. > > > > In a bit of reading on the Microsoft site - > > https://support.microsoft.com/en-us/kb/2667628 - this is something of a > > fatal injury for the Windows Installer in terms of uninstall or repair of > > already installed packages. > > > > Despite that, nobody is going to reinstall Windows on these devices - > > they're scattered around the country connected to slow DSL lines for the > > most part, and nobody local is willing or able to do that. > > > > I don't really care about the bigger problem, but I'm wondering if anyone > > has any "thoughts about authoring packages that might have to install > into > > that mess, or might have to be used to upgrade an already installed > package > > whose cache contents got deleted. (Different ProductCode, same > UpgradeCode.) > > > > Thanks, > > > > Walt > > > ------------------------------------------------------------------------------ > > _______________________________________________ > > WiX-users mailing list > > WiX-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/wix-users > > > ------------------------------------------------------------------------------ > _______________________________________________ > WiX-users mailing list > WiX-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wix-users > ------------------------------------------------------------------------------ _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users
