Aobe Acrobat Slipstreaming Updates to MSI File

1) create an AIP of the base MSI using MSIEXEC.EXE /a <path to base MSI>
2) now patch the MSI in the AIP using MSIEXEC.EXE /p <path to msp> /a <path to msi in AIP>

1. msiexec /a AdbeRdr1010_en_US.msi
(When prompted for an install location enter an appropriate location on your local disk. say C:\package)
2. msiexec /a C:\package\AdbeRdr1010_en_US.msi /p AdbeRdrUpd1012.msp