Active Directory Fundamentals

What is Azure Active Directory?

Azure Active Directory: Introduction Azure Active Directory is a multi-tenant, cloud-based directory and identity management service provided by Microsoft. It offers identity and access capabilities for applications running in both Microsoft Azure and in an on-premises environment. It is the foundation for Office 365 and other SaaS applications; users are allowed to sign in and access the…
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Active Directory Fundamentals

Active Directory Basics: Everything you need to know

What you will learn: An organization will consist of multiple employees, devices, contacts, and large amounts of data. It would need to sort all these resources and information in a structured manner for easy access, and also secure its resources. This is where directory services come into play. A directory service categorically arranges all the resources in a structured and hierarchical manner…
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Active Directory Fundamentals

DNS and Active Directory

What is AD DNS? Domain Name System (DNS) is a name resolution method that is used to resolve hostnames to IP addresses. It is used on TCP/IP networks and across the internet. DNS is a namespace. Active Directory is built on DNS. DNS namespace is used internet-wide while the Active Directory namespace is used across a private network. The reason behind the choice of DNS is that it is highly…
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Active Directory Fundamentals

Microsoft Hello

For quite a long time, we have been following the routine of typing in a password for accessing our computers. Strong password requirements make us set complex passwords which we often tend to forget, and then we frantically chase the administrator to reset our forgotten passwords. More importantly, even the most secure network is vulnerable to security breaches and the network credentials could…
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Active Directory Fundamentals

Active Directory Certificate Services

What you will learn from this article Before we delve into the Active Directory Certificate Services, let us understand certificates. A digital certificate and a traditional certificate have quite a few similarities. The certificates contain the issuing authority’s name. While a traditional certificate contains particulars of a university, organization, or government agency, the digital…
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Active Directory Fundamentals

Microsoft Passport

Introduction Using passwords is a common approach to protecting and securing a resource from unauthorized access. However, the use and maintenance of passwords have their shortcomings. One challenge is the difficulty of remembering passwords, more so, if complex requirements are in place. Another possibility is the repository containing the passwords is being breached. Microsoft has an…
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Active Directory Fundamentals

Read only domain controller

Introduction A read only domain controller (RODC) is a type of domain controller that has read-only partitions of Active Directory Domain Services (AD DS) database. RODC is available in Windows server 2008 OS and in its succeeding versions. Enterprises tend to deploy RODC under two conditions viz., When there is not enough physical security to the datacenter.When there isn’t…
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Active Directory Fundamentals

Active Directory Recycle Bin 

What is Active Directory Recycle Bin?  The Active Directory Recycle Bin feature allows administrators to restore deleted AD objects. In Active Directory, objects such as users, computers, groups, or organizational units may be unintentionally removed. Administrators may find it difficult to correct such mistakes. Therefore, for administrators to easily retrieve deleted objects, Microsoft…
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Active Directory Fundamentals

Active Directory Replication: What it is and how it works

What you will learn from this article? Information in the Active Directory (AD) network is modified or updated constantly. In such cases, if any information is updated in one domain controller (DC) of the AD network, all other DCs in the network should also be updated with the new information. This process is done in AD through replication. In this article, we will take a look at what is AD…
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Active Directory Fundamentals

Understanding Active Directory Tombstone

What are Tombstones in Active Directory? When you delete an object from the Active Directory (AD) database, it’s marked as a tombstone object instead of being fully removed. By default, each tombstone object remains in the database for 180 days. Once this tombstone’s lifetime value is exceeded, the tombstone object is automatically deleted by the garbage collection process.
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