How to Enable Windows Installer Logging

In this How-to we will see how to enable windows installer logging by adding registry entries

How to

Start Registry Editor (Regedt32.exe), and then create the following path and keys in the registry:
HKEY_LOCAL_MACHINESoftwarePoliciesMicrosoftWindowsInstaller
Reg_SZ: Logging
Value: voicewarmup

The letters in the value field are the options that are available to use with Windows Installer logging. You can use the options in any order. Each option turns on a specific logging mode. For MSI version 1.1, the function of each option is as follows :
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 - Start up 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, to log all information except for the v option. To include the v option, specify *v.