Hit Enter and wait for a couple of minutes after the process completes. After this, you should be able to boot your server normally. Please have in mind that this procedure can help also with Windows 10 installation.
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Cannot Boot Windows Server After Installing Update 0Xc000021a
The Driver Signature Enforcement feature is a security measure that can prevent drivers that are not digitally signed from running on Windows 10. That is to say it can give rise to the stop code 0xc000021a. Hence, you need to disable it after booting into your system.
Microsoft is investigating behavior where systems may not recover from a restart, or applications cannot load, after security update 2823324 is applied. We recommend that customers uninstall this update. As an added precaution, Microsoft has removed the download links to the 2823324 update while we investigate.
To help customers who have problems restarting their systems after they install security update 2823324, Microsoft is making available a bootable media ISO image through the Microsoft Download Center (DLC). Customers who cannot restart their systems after they apply the 2823324 update can download this image to create a bootable DVD or USB drive. Then, they can use this DVD or USB drive to boot their systems, uninstall security update 2823324, and return their systems to a normal operating state. Note An ISO image is a way to distribute software so that an image can be written or "burned" to removable bootable media, such as a DVD.
Microsoft regularly releases updates to its Windows operating system to improve workflow and fix bugs in previous versions of the operating system. However, not always everything is so rosy. After or during updates, you may receive an error message with code 0xc000021a. As a result, you will not be able to boot the system correctly and access the computer data. Although this is rare, the severity of this problem is quite great.
Microsoft released the Windows Server 2012 R2 KB5009624 update, installing this update will cause your Server 2012 domain controller boots in loops. And the update also affects the Hyper-V servers and most admins have observed the Hyper-V not starting, and inaccessible ReFS volumes until the updates are rolled back.
The issue arose after installing two updates on Windows Server or Azure Stack HCI hosts managed by System Virtual Machine Manager (SCVMM) and in software-defined networking (SDN)-enabled environments with a network controller. As with the Windows 10 problems, Microsoft issued a workaround while working on a fix.
Once you boot into the system, check if the Error 0xc000021a is gone. If it is gone, then it is likely that one of the services is interfering with the update process. In this case, we recommend enabling the services one by one and restarting your computer until you determine the culprit.
All installs finish with the 0xC000021A,How can I install updates? I install all updates through the Intelligent Provisioning.I cannot install the drive directly on the mobo since there aren't any SATA ports, only SAS ports.I've no CD Drive for the server, so no CDs/DVDs, I've thought for the SPP, but I don't know how to install it, could you help me?For the external drive, I will try when the current installation will finish.
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I am getting BSOD STOP 0xc000021a. Host is a XCP-ng 8.1 with current platch level, Guest has Windows Update Tools enabled. Anyone else experiencing this kind of problem? ","property":"og:title","content":"Windows Server 2019 STOP 0xc000021a","property":"og:description","content":"Hi there, a Windows 2019 Server Guest would not boot anymore after recent updates. I am getting BSOD STOP 0xc000021a. Host is a XCP-ng 8.1 with current platch level, Guest has Windows Update Tools enabled. Anyone else experiencing this kind of problem? 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