{"family":"windowsserver","family_label":"Windows Server","build":"17763.439","base":"17763","tag":"2019","kb":"KB4501835","kb_url":"https://support.microsoft.com/help/4501835","kb_title":"May 1, 2019—KB4501835 (OS Build 17763.439)","release_date":"2019-05-01","update_type":"2019-04 OOB","update_type_label":"Out-of-band update","servicing":"LTSC","ms_known_issues":[{"title":null,"symptom":"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.","workaround":"This issue is resolved in KB4503327 .","applies_to":""},{"title":null,"symptom":"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.","workaround":"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.","applies_to":""},{"title":null,"symptom":"Microsoft and ArcaBit have identified an issue on devices with ArcaBit antivirus software installed that may cause the system to become unresponsive upon restart after installing this update.","workaround":"This issue has been resolved. Arcabit has confirmed this issue is not applicable to Window 10, version 1809.","applies_to":""},{"title":null,"symptom":"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.","workaround":"This issue is resolved in KB4495667 .","applies_to":""},{"title":null,"symptom":"When attempting to print from Microsoft Edge or other Universal Windows Platform (UWP) applications you may receive the error, \"Your printer has experienced an unexpected configuration problem. 0x80070007e.\"","workaround":"This issue is resolved in KB4501371 .","applies_to":""},{"title":null,"symptom":"After installing KB4493509 , devices with some Asian language packs installed may receive the error, \"0x800f0982 - PSFX_E_MATCHING_COMPONENT_NOT_FOUND.\"","workaround":"This issue is addressed by updates released June 11, 2019 and later. We recommend you install the latest security updates for your device. Customers installing Windows Server 2019 using media should install the latest Servicing Stack Update (SSU) before installing the language pack or other optional components. If using the Volume Licensing Service Center (VLSC) , acquire the latest Windows Server 2019 media available. The proper order of installation is as follows: Install the latest prerequisite SSU, currently KB5005112 Install optional components or language packs Install latest cumulative update Note Updating your device will prevent this issue, but will have no effect on devices already","applies_to":""}],"ms_none_known":false,"ms_highlights":null,"title":"May 1, 2019—KB4501835 (OS Build 17763.439)","build_type":"release","channel_label":"Release","branch":null,"kind":"cumulative","kind_label":"Cumulative update","is_dotnet":false,"status":null,"line":{"status":"extended","note":"Extended support"},"created":1556712000,"created_iso":"2019-05-01T12:00:00Z","uuid":null,"permalink":"/builds/windowsserver/17763.439/","tag_url":"/builds/windowsserver/2019/","index_url":"/builds/windowsserver/","api_url":"https://search.windowsforum.com/api/builds/build/windowsserver/17763.439","records":[],"summary":null,"known_issues":[],"linked":{"news":[{"thread_id":372878,"node_id":4,"title":"Windows Server 2019: 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