Dell A02 Installation Manual download pdf (Page 72)

72 Installing Managed System Software on Microsoft Windows Operating Systems

Failed Updates

MSI patches and updates provided by vendors must be applied to the original

vendor MSI packages provided. If you intentionally or accidentally repackage

an MSI package, or make changes to it directly, patches and updates might

fail. MSI packages must not be repackaged; doing so changes the feature

structure and GUIDs, which break any provided patches or updates. When it

is necessary to make any changes to a vendor-provided MSI package, a .mst

transform file should always be used to do so.

Windows Installer Logging

Windows includes a registry-activated logging service to help diagnose

Windows Installer issues. To enable this logging service during a silent install,

open the registry editor and create the following path and keys:

HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Window

s\Installer

Reg_SZ: Logging

Value: voicewarmup

The letters in the value field can be in any order. Each letter turns on a

different logging mode. Each letter's actual function is as follows for MSI

version 3.1:

v - Verbose output

o - Out-of-disk-space messages

i - Status messages

c - Initial UI parameters

e - All error messages

w - Non-fatal warnings

a - Startup of actions

r - Action-specific records

m - Out-of-memory or fatal exit information

u - User requests

p - Terminal properties

+ - Append to existing file

! - Flush each line to the log

"*" - Wildcard, log all information except for the v option. To include the

v option, specify "/l*v".

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Dell A02 Installation Manual Page 72