I did plenty of XenDesktop 7.x upgrades but this time I got error 0x643 when trying to update the Citrix StoreFront components.
StoreFront 3.5 –> StoreFront 3.9
CitrixMsi-CitrixStoreFront-x64.log
… Continue readingInstallation of ‘..\CitrixStoreFront-x64.msi’ failed with error code 1603. Fatal error during installation.