Security update for the Hyper-V denial of service vulnerability in Windows Server 2008: April 11, 2017

Summary

To learn more about the vulnerability, go to CVE-2017-0184.

More Information

Important

• If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see Windows Update FAQ.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:Security update deployment information: April 11, 2017

More Information

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How to obtain help and support for this security update

Help for installing updates: Windows Update FAQ

Security solutions for IT professionals: TechNet Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support

File Information

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File hash information

File name	SHA1 hash	SHA256 hash
Windows6.0-KB3217841-x64.msu	E4E7FCF639CD9F1047587CF9C0C465CDE14725BB	D3E5223DD942E0A839DD13EB89F1638E8342E5A99D3AA5BA3494858289218C9C

File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

Windows Server 2008 file information

**Note:**The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

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For all supported x64-based versions

File name	File version	File size	Date	Time	Platform	SP requirement	Service branch
Isoparser.sys	6.0.6002.19728	19,968	13-Jan-2017	19:10	x64	SP.	AMD64_WSTORVSP
Passthruparser.sys	6.0.6002.19728	28,672	13-Jan-2017	19:10	x64	SP.	AMD64_WSTORVSP
Storvsp.sys	6.0.6002.19728	121,856	13-Jan-2017	19:10	x64	SP.	AMD64_WSTORVSP
Vhdparser.sys	6.0.6002.19728	87,552	13-Jan-2017	19:10	x64	SP.	AMD64_WSTORVSP
Isoparser.sys	6.0.6002.24051	19,968	13-Jan-2017	18:53	x64	SP.	AMD64_WSTORVSP
Passthruparser.sys	6.0.6002.24051	28,672	13-Jan-2017	18:53	x64	SP.	AMD64_WSTORVSP
Storvsp.sys	6.0.6002.24051	120,832	13-Jan-2017	18:53	x64	SP.	AMD64_WSTORVSP
Vhdparser.sys	6.0.6002.24051	87,552	13-Jan-2017	18:53	x64	SP.	AMD64_WSTORVSP