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Release Date:



Preview of Monthly Rollup

Improvements and fixes

This non-security update includes improvements and fixes that were a part of KB4048958 (released November 14, 2017) and also includes these new quality improvements as a preview of the next Monthly Rollup update:

  • Addressed issue where smart card logons fail after the authenticating domain controller (DC) has been restarted. The error is: "Signing in with a smart card isn’t supported for your account...". The authenticating DC logs KDC event 19 and Kerberos Distribution event 29 in the System event log. The log states that a suitable certificate cannot be found for smart card logons.

  • Addressed issue to provide complete transparency about Replication Health. Replication Health represents the state of replication based on the following criteria: low free disk space, the Hyper-V Replica Log (HRL) reaching its maximum size, and violation of the Recovery Point Objectives (RPO) threshold.

  • Addressed issue that impacted some Epson SIDM (Dot Matrix) and TM (POS) printers, which were failing to print on x86 and x64-based systems. This issue affects KB4048958.

For more information about the resolved security vulnerabilities, see the Security Update Guide.

Known issues in this update



After installing this KB, Internet Explorer 11 users who use SQL Server Reporting Services (SSRS) may not be able to scroll through a drop-down menu using the scroll bar.

This issue is resolved in KB4054519.


How to get this update

This is provided as an Optional update on Windows Update. For more information about how to run Windows Update, see How to get an update through Windows 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 update 4050946.

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