![]() This is where vSphere Quick Boot comes to our rescue and does exactly just that. That brings up another question here, do we really have to perform these hardware initialisations every time we reboot a host considering that it was already initialized when server got powered on initially? In other words, can’t we simply reboot just the software part (Hypervisor in this case)? Server hardware available these days support heavy configurations such as large amounts of memory due to which server reboots may take few minutes to perform firmware and hardware device initializations (POST). Now the question is, how much time does it takes for a host reboot cycle to complete? Also at what stage, large amount time is spent in host boot process? However, when activities such as critical patch or driver installation are performed, we may have to reboot the host. Host reboots may not be performed frequently and not all patches require host to be rebooted. You may need to reboot your ESXi hosts during the process. bat file if you like.Just think about your patch management process. You will now notice your screen flicker as a command prompt quickly opens and closes to apply the registry changes.Ĩ. NOTE: If you like, you can stop getting the Run prompt by unblocking the downloaded. ![]() If prompted, click/tap on Run and Yes (UAC). bat file, and click/tap on Run as administrator.Ħ. Right click or press and hold on the downloaded. To Turn Off "Fast Startup" for a "Full Shutdown"ĥ. To Turn On "Fast Startup" (Hybrid Boot) for a "Hybrid Shutdown"Ī) Click/tap on the Download button below to download the BAT file below, and go to step 4 below.ģ. Do step 2 or 3 below for what you would like to do.Ģ. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Powerġ. bat files below are for the registry key and value below. You can now close the Power Options window if you like. NOTE: If the Turn on fast startup setting is not listed, then hibernate has been disabled that removed this setting and also disabled fast startup.ī) The Shut down Power option will now perform as a normal full shut down when used.Ĩ. To Turn Off "Fast Startup" for a "Full Shutdown"Ī) Under Shutdown settings, uncheck the Turn on fast startup box, and click/tap on the Save changes button. NOTE: If the Turn on fast startup setting is not listed, then you will need to close the System Settings window, enable hibernate, then start back at step 1 again.ī) The Shut down Power option will now perform as a hybrid shut down when used.ħ. To Turn On "Fast Startup" (Hybrid Boot) for a "Hybrid Shutdown"Ī) Under Shutdown settings, check the Turn on fast startup box, and click/tap on the Save changes button. Do step 6 or step 7 below for what you would like to do.Ħ. If prompted by UAC, then click/tap on Yes.ĥ. ![]() Click/tap on the Change settings that are currently unavailable link at the top. Click/tap on the Choose what the power buttons do link on the left side. Open the Control Panel (icons view), and click on the Power Options icon.Ģ. OPTION ONE To Turn "Fast Startup" On or Off in System Settingsġ. This is not the same thing as hybrid sleep/hibernate in Power Options. The fast startup setting doesn't apply to Restart. You must be signed in as an administrator to be able to do the steps in this tutorial. ![]() This tutorial will show you how to turn Fast Startup on or off in Windows 8. If you have a motherboard with UEFI, then fast startup will be even faster.įor more information about "Fast Startup", see:ĭelivering fast boot times in Windows 8 - Building Windows 8 - Site Home - MSDN Blogsĭesigning for PCs that boot faster than ever before - Building Windows 8 - Site Home - MSDN Blogs Using this technique with boot gives a significant advantage for boot times, since reading the hiberfile in and reinitializing drivers is much faster on most systems (30-70% faster on most systems tested). When you start your PC again, Windows 8 uses that saved system information to resume your system instead of having to do a cold boot to fully restart it. This also makes the hiberfil.sys file to be much smaller than what hibernate would use (often 4GB or more). When turned on, Windows 8 does this by using a hybrid shutdown (a partial hibernate) method that saves only the kernal session and device drivers (system information) to the hibernate (hiberfil.sys) file on disk instead of closing it when you shut down your PC. How to Turn "Fast Startup" On or Off for a Hybrid Boot in Windows 8 and 8.1įast Startup (aka: hybrid boot or hybrid Shutdown) is a new feature in Windows 8 to help your PC start up faster after shutting down. ![]()
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