April 25, 2019—KB4493462 (Preview of Monthly Rollup)

Symptom

Workaround

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 KB4503285.

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:

• Perform the operation from a process that has administrator privilege.

• Perform the operation from a node that doesn’t have CSV ownership.

Microsoft is working on a resolution and will provide an update in an upcoming release.

Microsoft and Sophos have identified an issue on devices with Sophos Endpoint Protection installed and managed by either Sophos Central or Sophos Enterprise Console (SEC) that may cause the system to become unresponsive upon restart after installing this update.

Microsoft has temporarily blocked devices from receiving this update if the Sophos Endpoint is installed until a solution is available.

Guidance for Sophos Endpoint and Sophos Enterprise Console customers can be found in the Sophos support article

Microsoft and Avira have identified an issue on devices with Avira antivirus software installed that may cause the system to become unresponsive upon restart after installing this update.

Microsoft has temporarily blocked devices from receiving this update if Avira antivirus software is installed.

We are presently investigating this issue with Avira and will provide an update when available.

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 KB4499171.

If previous dictionary updates are installed, the Japanese input method editor (IME) doesn't show the new Japanese Era name as a text input option.

If you see any of the previous dictionary updates listed below, uninstall it from Programs and features > Uninstall or change a program. New words that were in previous dictionary updates are also in this update.

• Update for Japanese Microsoft IME Standard Dictionary (15.0.2013)

• Update for Japanese Microsoft IME Standard Extended Dictionary (15.0.2013)

• Update for Japanese Microsoft IME Standard Dictionary (15.0.1215)

• Update for Japanese Microsoft IME Standard Extended Dictionary (15.0.1215)

• Update for Japanese Microsoft IME Standard Dictionary (15.0.1080)

• Update for Japanese Microsoft IME Standard Extended Dictionary (15.0.1080)