KB5031361

This update supports daylight saving time (DST) changes in Greenland.

This update addresses security issues for your Windows operating system. 

New! This update completes the work to comply with the GB18030-2022 requirements. It removes and remaps characters for Microsoft Wubi input and Microsoft Pinyin U-mode input. You can no longer enter character codepoints that are not supported. All the required codepoints are up to date.

New! This update adds Azure Arc Optional Component related links to Server Manager. Now, you can turn on Arc on your servers. You do not need to run a PowerShell script.

This update changes the spelling of Ukraine's capital from Kiev to Kyiv.

This update addresses an issue that affects scheduled tasks. Tasks that call the credential manager API might fail. This occurs if you select [Run only when user is logged on] and [Run with highest privileges].

This update addresses an issue that stops you from getting the IE mode windows list.

This update addresses an issue that affects external binding. It fails. This occurs after you install Windows updates dated May 2023 or later. Because of this, there are issues that affect LDAP queries and authentication.

This update addresses an issue that affects those who enable the “Smart Card is Required for Interactive Logon” account option. When RC4 is disabled, you cannot authenticate to Remote Desktop Services farms. The error message is, "An authentication error has occurred. The requested encryption type is not supported by the KDC.”

This update addresses an issue that affects Kerberos delegation. It might fail in the wrong way. The error code is 0xC000006E (STATUS_ACCOUNT_RESTRICTION). This issue might occur when you mark the intermediate service account as “This account is sensitive and cannot be delegated” in Active Directory. Applications might also return the error message, “System.Security.Authentication.AuthenticationException: Failed to initialize security context. Error code was -2146893042.”

This update affects Windows Filtering Platform (WFP) connections. The redirect diagnostics for them has improved.

This update addresses an issue that affects a relying party. When you sign out of it, a SAML request cookie is not cleared. Because of this, your device automatically attempts to connect to the same relying party when you sign in again.

This update addresses an issue that affects the Server Message Block (SMB) client. It does not reconnect all the persistent handles when the reauthentication of a session fails.

To protect against CVE-2023-44487, you should install the latest Windows update. Based on your use case, you can also set the limit of the RST_STREAMS per minute using the new registry key in this update. 

You can create the DWORD registry values in the table below under the following registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\HTTP\Parameters

These keys are not present by default when you install this KB. You can create them as required to set new values for your environment.