Summary. 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 exploit this vulnerability, a user must have sufficient privileges to create a computer derived object ...

Summary. The July 13, 2021 Windows updates and later Windows updates add protections for CVE-2021-33757.. After installing the July 13, 2021 Windows updates or later Windows updates, Advanced Encryption Standard (AES) encryption will be the preferred method on Windows clients when using the legacy MS-SAMR protocol for password operations if AES encryption is supported by the SAM server.

Summary. 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 exploit this vulnerability, a user must have sufficient privileges to create a computer derived object, such as a user granted CreateChild permissions ...

В статията се описва проблем в Windows Server 2008 и Windows Server 2008 R2, при който не можете да инсталирате Active Directory Domain Services в клон, ако DNS и LDAP връзката между клон и корена на гората домейн е блокиран.

Cause. The System AttendanthomeMDB value is missing or invalid. Resolution. To address this issue, use the ADSI Edit tool to determine the distinguished name of the appropriate mailbox database, and then set the System Attendant homeMDB attribute accordingly.

Fixes an "Active Directory Users and Computers" MMC snap-in issue that occurs when the accounts that have passwords cached on an RODC in Windows Server 2008 R2, in Windows 7, in Windows Server 2008, or in Windows Vista.

Describes an issue in which an Active Directory database becomes corrupted on a Windows Server-2012 based Hyper-V host server. This issue occurs when the Hyper-V host server crashes or encounters a power outage.

Workaround To work around this issue, use either of the following methods. Workaround 1. Add the WMI Performance Adapter service to the dependent services of the Microsoft Exchange Active Directory Topology Service.

Introduction. LDAP channel binding and LDAP signing provide ways to increase the security for communications between LDAP clients and Active Directory domain controllers. A set of unsafe default configurations for LDAP channel binding and LDAP signing exist on Active Directory domain controllers that let LDAP clients communicate with them without enforcing LDAP channel binding and LDAP signing.

SMTP matching can be used only one time for user accounts that were originally authored by using Office 365 management tools. After that, the Office 365 user account is bound to the on-premises user by an immutable identity value instead of a primary SMTP address.