Windows Specific Optimizations for VDI Environment

Open the regedit (run -> regedit.exe)

Disable Windows Autoupdate
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
WindowsUpdate\Auto Update]
"AUOptions"=dword:00000001
"ScheduledInstallDay"=dword:00000000
"ScheduledInstallTime"=dword:00000003

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wuauserv]
"Start"=dword:00000004
Disable Offline Files

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\NetCache]
"Enabled"=dword:00000000
Disable Disk Defragmentation BootOptimizeFunction

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Dfrg\BootOptimizeFunction]
"Enable"="N"
Disable Background Layout Service

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
OptimalLayout]
"EnableAutoLayout"=dword:00000000
Disable System Restore (Windows XP and Windows Server 2003 Only)

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\sr]
"Start"=dword:00000004

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\srservice]
"Start"=dword:00000004

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore]
"DisableSR"=dword:00000001
Disable Last Access Time Stamp

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem]
"NtfsDisableLastAccessUpdate"=dword:00000001
Disable Hibernate

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Power]
Various keys and values are set according to the version of Windows detected.
Disable CrashDump

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CrashControl]
"CrashDumpEnabled"=dword:00000000
"LogEvent"=dword:00000000
"SendAlert"=dword:00000000
Disable Indexing Service

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\cisvc]
"Start"=dword:00000004
Reduce Event Log File Size to 64 kB

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog\
Application]
“MaxSize"=dword:00010000

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog\
Security]
"MaxSize"=dword:00010000

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog\
System]
"MaxSize"=dword:00010000
Reduce Internet Explorer Temporary File Cache

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content]
"CacheLimit"=dword:00000400 

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Content]
"CacheLimit"=dword:00000400 

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content]
"CacheLimit"=dword:00000400

[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Content]
"CacheLimit"=dword:00000400

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
Internet Settings\Cache\Paths]
"Paths"=dword:00000004

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
Internet Settings\Cache\Paths\path1]
"CacheLimit"=dword:00000100

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
Internet Settings\Cache\Paths\path2]
"CacheLimit"=dword:00000100

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
Internet Settings\Cache\Paths\path3]
"CacheLimit"=dword:00000100

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
Internet Settings\Cache\Paths\path4]
"CacheLimit"=dword:00000100
Disable Clear Page File at Shutdown

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management]
"ClearPageFileAtShutdown"=dword:00000000
Disable Superfetch (Windows Vista and Windows 7 Only)

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SysMain]
"Start"=dword:00000004
Disable Windows Defender (Windows Vista and Windows 7 Only)

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinDefend]
"Start"=dword:00000004

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
Run]
"Windows Defender"=hex(2):00
Disable Windows Search (Windows Vista and Windows 7 Only)

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WSearch]
"Start"=dword:00000004
Disable Scheduled Disk Defragmentation (Windows Vista and Windows 7 Only)