By default when users attempt to login to a computer at a branch site, a read-only domain controller contacts the writeable DC for their authentication as it doesn't store user passwords. This happens every time when users log in. However, a read-only domain controller can be configured to cache user passwords using Password Replication Policy (PRP). With PRP, ... Read more
When a Password Replication Policy is enabled and a user or computer account is in the allowed RODC password replication group, a password is replicated and cached on Read-Only Domain Controller when a branch user login for the first time. The RODC authenticates the branch users and computers for subsequent logins without forwarding requests to the main ... Read more
When passwords of branch users are cached on an RODC, there is no way to directly delete them. However, if you reset their password at the writeable DC (RWDC), they get automatically removed at the RODC. Same applies to computers, reset their account at RWDC to remove them from cache.
This guide is written to show you how to add a new domain in an existing forest in Windows Active Directory. You can add a new domain by using the server manager or PowerShell. In this guide, I'll show you how to use the server manger. Before you add a new domain, your system must meet ... Read more
In one of earlier articles, we removed active directory domain services using PowerShell. In this guide, I'll focus on removing active directory domain services using server manager. Remove Active Directory Domain Services Using Server Manager Step 1. Open server manager dashboard. Click: Manage -> Remove roles and features. Step 2. Verify the tasks and then click Next. ... Read more
When you have multiple domains in a forest, migrating Active Directory objects between two domains is a day to day task of system engineers. Reasons can be that companies are sold or merged or employees are transferred. Type of AD Migration There are two types of AD migrations: Inter forest migration - In inter forest migration, AD objects ... Read more
Extra AD domains are not recommended because they are hard to administer. However, you may need an extra domain (child domain for this tutorial) in the following scenarios: The two companies have different hardware resources. Some prefer high quality and reliable hardware and some prefer to save money, it is preferable to have two separate domains ... Read more
Just like we added AD users in a group with the help of Ad-ADGroupMember PowerShell cmdlet, we can also remove AD users from a group using PowerShell. Remove AD Members from Group Using PowerShell 1. Open PowerShell with elevated privileges. 2. Execute the following cmdlet if you would like to remove a single or multiple users ... Read more
When AD users change office, their postal addresses become incorrect and you need to change them. As you know this can be inefficient and hectic if you change postal address of each user one by one using active directory users and computer ADUC MMC snap-in. In such scenarios, PowerShell is the preferred choice. So Let's get started ... Read more
An RODC holds a read-only copy of the Active Directory database and doesn't allow any changes in AD data. It is mostly deployed in branch offices due to poor physical security. If some one gets access to the RODC, he won't be able to change the global data. If an intruder somehow manages to change the data on ... Read more