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KB5008380—Authentication updates (CVE-2021-42287)
This release: Adds protections against CVE-2021-42287. Adds support for the PacRequestorEnforcement registry value, which allows you to transition to the Enforcement phase early. Mitigation consists of the installation of Windows updates on all devices that host the domain controller role and read-only domain controllers (RODCs).
How can I make sure that Skype is no longer running on Windows?
Click Task Manager. Click Skype then click End Task. Click Yes to end the process. If you do not see Skype immediately, click More details . In the Processes tab, click on any entry beginning with the word "Skype" and click End Task. Ready to learn more? How do I stop Skype from starting automatically on desktop?
Resetting computer accounts in Windows - Microsoft Support
This article describes four ways of resetting computer accounts in Windows 2000 or Windows XP. These methods are as follows: Using the Netdom.exe command-line tool. Using the Nltest.exe command-line tool. Note The Netdom.exe and Nltest.exe tools are located on the Windows Server CD-ROM in the Support\Tools folder.
Request a refund for digital games | Xbox Support
Refunds for digital games include Microsoft Store digital game offers, Xbox apps (excluding movies and TV apps), digital gaming bundle offers, digital game durable content, and some digital game consumable content, whether made available through the Xbox console, on your PC, or on your mobile device.
KB5008383—Active Directory permissions updates (CVE-2021-42291)
This release adds the auditing of permissions set by users without domain administrator rights during the creation or modification of a computer or computer-derived objects. It also adds an Enforcement and a Disable mode. You can set the mode globally for each Active Directory forest using the dSHeuristics attribute.
KB5012170: Security update for Secure Boot DBX
An attacker who successfully exploited the vulnerability might bypass secure boot and load untrusted software. This security update addresses the vulnerability by adding the signatures of the known vulnerable UEFI modules to the DBX. To learn more about this security vulnerability, see the following advisory:
NTLM authentication fails with 0xC0000022 error for Windows Server 2012 ...
Cause. This issue occurs because a recent update rollup missed a dependency in updating Netlogon.dll. Resolution. To fix this problem, install the security updates that are described in Microsoft Security Bulletin MS16-101. Fixes a problem that causes NT LAN Manager authentication to fail after you install certain updates.
April 21, 2020—KB4550947 (OS Build 14393.3659)
Addresses an issue with running klist.exe that causes lsass.exe to stop working and generates an access violation error (0xC0000005). Addresses an issue with merging Windows Defender Application Control policies that sometimes generates a duplicate rule ID error and causes the Merge-CIPolicy PowerShell command to fail.
A domain controller returns the "NO_SUCH_USER (0xc0000064)" status code ...
A domain controller returns the "NO_SUCH_USER (0xc0000064)" status code or the "KDC_ERR_C_PRINCIPAL_UNKNOWN" error in response to authentication requests in Windows Server 2008 - Microsoft Support. Windows Server 2008 Service Pack 2. Symptoms.
Client, service, and program issues can occur if you change security ...
Winnt32.exe in Windows Server 2003 avoids this misconfiguration by granting the Enterprise Domain Controllers group this user right when you upgrade Windows NT 4.0 primary domain controllers (PDCs). Grant the Enterprise Domain Controllers group this user right if it is not present in the Group Policy Object Editor.