You may experience a delay during boot after installing MS12-074 Content provided by Microsoft Applies to: Windows Server 2008 R2 StandardWindows Server 2008 R2 EnterpriseWindows Server 2012 DatacenterWindows Server 2012 DatacenterWindows Server 2012 StandardWindows Server 2012 Standard More Select Product Version All Products Symptoms You may experience a delay during boot after installing MS12-074. Cause This can occur if an auto-start service makes a web service call during its start routine. Resolution Set the start type of the WinHTTP Web Proxy Auto-Discovery Service to automatic (the default is Manual) using the Services MMC snap-in or sc.exe. More Information When an auto-start service makes a call to a demand-start service, the demand start service will be blocked until the SCM times out waiting for the auto-start services to complete starting.For more information on automatic start services and the SCM, please see:Automatically Starting Serviceshttp://msdn.microsoft.com/en-us/library/windows/desktop/ms681957(v=vs.85).aspx Last Updated: Jun 5, 2013 Did this solve your problem? Yes No Tell us what we can do to improve the article Submit Thanks! Your feedback will help us improve the support experience.