AD CS is used for various scenarios in an organization. It might be used for Wi-Fi, VPN, KDC, System Center Configuration Manager, and so on. Identify all the scenarios in your organization.

CVE-2021-42291 addresses a security bypass vulnerability that allows certain users to set arbitrary values on security-sensitive attributes of specific objects stored in Active Directory (AD) or Lightweight Directory Service (LDS).

To help you identify the applications that might have compatibility issues after we enable DCOM security hardening changes, we added new DCOM error events in the System log. See the tables below.

Windows updates for CVE-2021-42282 released on November 9, 2021 add the following verifications for attributes in Active Directory (AD): This feature guarantees that SPNs are unique in a forest, which prevents computers and domain controllers from adding duplicate SPNs.

To join your work-owned Windows device to your organization's network so you can access work resources, select an option below and follow the steps. If you want to add or register your personal device, such as your phone, see Register your personal device on your organization's network.

View your work or school account sign-in activity from My Sign-ins

Active Directory Domain Services has encountered the following exception and associated parameters. The replication operation encountered a database inconsistency. You notice that the object was recently moved from one domain to the location that's specified in the event.

To resolve this problem, follow these steps: Move the computer that you want to restore to a separate network that is isolated from you production network. Restore this computer from backup. Do not restart the computer when the restoration is complete.

Sign in using Microsoft Authenticator Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

We strongly recommend that you install the latest servicing stack update (SSU) before you apply this update. The latest SSU for your version of Windows can be found in ADV990001 | Latest Servicing Stack Updates.