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Trace Windows 7 boot/shutdown/hibernate/standby/resume issues
Posted on Dec 08 2009 02:23 AM by MagicAndre1981 in Guides | Viewed 6985 Times
WinLogonInit Subphase
Quote
What Happens in This Subphase
The WinLogonInit subphase begins when SMSSInit completes and starts Winlogon.exe. During WinLogonInit, the user logon screen appears, the service control manager starts services, and Group Policy scripts run. WinLogonInit ends when the Explorer process starts.
Visual Cues
WinLogonInit begins shortly before the logon screen appears. It ends just before the desktop appears for the first time.
WinLogonInit Performance Vulnerabilities
Many operations occur in parallel during WinLogonInit. On many systems, this subphase is CPU bound and has large I/O demands. Good citizenship from the services that start in this phase is critical for optimized boot times.
Services can declare dependencies or use load order groups to ensure that they start in a specific order. Windows processes load order groups in serial order. Service initialization delays in an early load order group block subsequent load order groups and can possibly block the boot process .
If you have too long WinLogonInit Time, open the etl file and scroll to the service graph and look for a long delay.
In this example the service SavService (Sophos Anti-Virus\SavService.exe) is part of the Plug and Play group and causes a delay because the service takes too long to start. Try to get an update for the hanging service or remove the software.
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