Summary
This update includes the quality improvements from KB4493470, in addition to these key changes:
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Addresses an issue in Server Message Block (SMB), which caused a memory leak from paged and non-paged memory pools during the remote file rename operation.
If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.
Note: After installation, OS Build will be 14393.2908
Known issues in this update
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Symptom |
Workaround |
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For hosts managed by System Center Virtual Machine Manager (SCVMM), SCVMM cannot enumerate and manage logical switches deployed on the host after installing the update. Additionally, if you do not follow the best practices, a stop error may occur in vfpext.sys on the hosts. |
This issue is resolved in KB4507459.
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After installing KB4467684, the cluster service may fail to start with the error “2245 (NERR_PasswordTooShort)” if the group policy “Minimum Password Length” is configured with greater than 14 characters. |
Set the domain default "Minimum Password Length" policy to less than or equal to 14 characters. Microsoft is working on a resolution and will provide an update in an upcoming release. |
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After installing this update, there may be issues using the Preboot Execution Environment (PXE) to start a device from a Windows Deployment Services (WDS) server configured to use Variable Window Extension. This may cause the connection to the WDS server to terminate prematurely while downloading the image. This issue does not affect clients or devices that are not using Variable Window Extension. |
This issue is resolved in KB4503267. |
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Certain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege. |
Do one of the following:
Microsoft is working on a resolution and will provide an update in an upcoming release. |
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After installing this update, Custom URI Schemes for Application Protocol handlers may not start the corresponding application for local intranet and trusted sites on Internet Explorer. |
This issue is resolved in KB4493473. |
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When using the MS UI Gothic or MS PGothic fonts, the text, layout, or cell size may become narrower or wider than expected in Microsoft Excel. For example, the layout and cell size of Microsoft Excel sheets may change when using MS UI Gothic. |
This issue is resolved in KB4494440. |
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Some applications may fail to run as expected on clients of Active Directory Federation Services 2016 (AD FS 2016) after installation of this update on the server. Applications that may exhibit this behavior use an IFRAME during non-interactive authentication requests and receive X-Frame Options set to DENY. |
This issue is resolved in KB4507459. |
How to get this update
Before installing this update
Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU. For more information, see Servicing stack updates.
If you are using Windows Update, the latest SSU (KB4485447) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.
Install this update
To get the standalone package for this update, go to the Microsoft Update Catalog website.
File information
For a list of the files that are provided in this update, download the file information for cumulative update 4499418.
References
Learn about the terminology that Microsoft uses to describe software updates.
