KB4541329

Improves application and device compatibility with Windows updates.

Addresses an issue that might cause domain controllers (DC) to register a lowercase and a mixed or all uppercase Domain Name System (DNS) service (SRV) record in the _MSDCS.<forest root domain> DNS zone. This occurs when DC computer names contain one or more uppercase characters.

Addresses an issue that prevents machines that have enabled Credential Guard from joining a domain. The error message is "The server's clock is not synchronized with the primary domain controller's clock."

Addresses an issue with running an application in RemoteApp that might cause the application window to flicker and DWM.exe might stop working on the session host.

Addresses an issue with evaluating the compatibility status of the Windows ecosystem to help ensure application and device compatibility for all updates to Windows.

Addresses an issue that prevents Microsoft User Experience Virtualization (UE-V) settings from roaming to enable the signature files that are used for new messages, forwarded messages, and replies.

Addresses an issue with high CPU usage on Active Directory Federation Services (AD FS) servers that occurs when the backgroundCacheRefreshEnabled feature is enabled.

Addresses an issue that breaks the association among the Get-Iscsisession, Get-Iscsiconnection, and Get-Disk PowerShell commandlets when a cluster is created. This causes applications and scripts that rely on this association to fail.

Addresses an issue that prevents certain apps from installing if they are published using a Group Policy Object.