Код:

@Echo Off
SetLocal EnableDelayedExpansion
Set Cnr=2
For %%I In ("Office_Updates\*.msp") Do (
If Not "%%~nxI"=="owc11sp1-ru-ru.msp" (
Echo.
Echo [ChainedInstall_!Cnr!]
Set /A Cnr += 1
Echo TaskName=
Echo TASKTYPE=exe
Echo PATH=MSIExec.exe
Echo CmdLine=/update %%I /qb
)
)