Active Directory Archives - Page 3 of 11

Securing Microsoft ADFS on Windows Server 2019 with Duo Authentication MFA

April 26, 2020

As a continuation of the AD FS deployment from two of my previous posts: Deploying a redundant Active Directory Federation Services (ADFS) Web Application Proxy servers on Windows Server 2019 https://blog.terenceluk.com/2020/04/deploying-redundant-active-directory_21.html Deploying a redundant Active Directory Federation Services (ADFS) farm on Windows Server 2019 https://blog.terenceluk.com/2020/04/deploying-redundant-active-directory.html

Configuring AD FS claims-based authentication with Exchange Server 2019 Outlook on the web fails to display and redirect /owa and /ecp logon portals

April 23, 2020

Problem You’ve completed deploying the configuration required that allow clients to use AD FS (on Windows Server 2019) claims-based authentication to connect to Exchange Server 2019 Outlook on the web (formerly known as Outlook Web App) and the Exchange admin center (EAC) as outlined in

Deploying a redundant Active Directory Federation Services (ADFS) Web Application Proxy servers on Windows Server 2019

April 21, 2020

As a follow up to my previous post demonstrating the deployment of a redundant Active Directory Federation Services (ADFS) Farm on Windows Server 2019: Deploying a redundant Active Directory Federation Services (ADFS) farm on Windows Server 2019 https://blog.terenceluk.com/2020/04/deploying-redundant-active-directory.html This post serves to demonstrate the deployment

Deploying a redundant Active Directory Federation Services (ADFS) farm on Windows Server 2019

April 17, 2020

With the COVID-19 pandemic ravaging business globally over the past two months, many organizations have been rushing to deploy or scale up their previously piloted collaboration products to full production. One of the clients I worked with had an immediate need to leverage the free

Deploying Azure AD Password Protection for on-premise Active Directory

April 9, 2020

Improving the security of user authentication has always been a top priority for many organizations and one of the products I’ve been working with which has become very popular is Microsoft’s Azure AD Password Protection. For those who are not familiar with this Microsoft offering,

Adding Email Address / ProxyAddress to an O365 mailbox for a user account that is synced with an on-premise Active Directory

April 4, 2020

I’ve recently been asked a few times about a common issue that many on-premise Exchange administrators encounter when transitioning to Office 365 so I thought I’d write a quick blog post outlining how to modify or add email addresses to an Office 365 mailbox for

Attempting to execute Exchange PowerShell cmdlets on objects in another domain fails with: “The operation couldn’t be performed because object ‘alias@domain.com’ couldn’t be found on ‘DC01.domain.com’.”

April 21, 2019

One of the common questions I have been asked over the years is why the following error is thrown when an Exchange PowerShell cmdlet is executed on an object in another domain where the Exchange Organization is not installed with. The following is an example

Batch file to disable a Windows service that can be deployed via Group Policy (GPO)

January 25, 2019

I’ve been asked several times in the past by colleagues about what I typically use to disable services on domain joined Windows desktops or servers and my response is that it depends. One of the ways through the use of importing Security Templates, which I’ve

Azure AD synchronization fails with: “user_realm_discovery_failed: User realm discovery failed” and “The remote server returned an error: (407) Proxy Authentication Required.”

June 19, 2018

Problem You’ve noticed that your Azure AD synchronization has stopped synchronizing for a period of time: Launching the Synchronization Service Manager indicates the export job is failing with stopped-extension-dll-exception: Reviewing the event logs show the following three events consistently logged: Event ID: 6900 Event ID:

A few virtual desktop Microsoft Office 2016 GPO First Run and Optimization Settings

December 13, 2016

The following are a few Microsoft Office 2016 optimization settings I’ve been using for clients to disable annoying first run wizards and visual enhancements that could potentially slow down performance. User Configuration > Policies > Administrative Template > Microsoft Office 2016 > First Run >

Blog

Securing Microsoft ADFS on Windows Server 2019 with Duo Authentication MFA

Configuring AD FS claims-based authentication with Exchange Server 2019 Outlook on the web fails to display and redirect /owa and /ecp logon portals

Deploying a redundant Active Directory Federation Services (ADFS) Web Application Proxy servers on Windows Server 2019

Deploying a redundant Active Directory Federation Services (ADFS) farm on Windows Server 2019

Deploying Azure AD Password Protection for on-premise Active Directory

Adding Email Address / ProxyAddress to an O365 mailbox for a user account that is synced with an on-premise Active Directory

Attempting to execute Exchange PowerShell cmdlets on objects in another domain fails with: “The operation couldn’t be performed because object ‘alias@domain.com’ couldn’t be found on ‘DC01.domain.com’.”

Batch file to disable a Windows service that can be deployed via Group Policy (GPO)

Azure AD synchronization fails with: “user_realm_discovery_failed: User realm discovery failed” and “The remote server returned an error: (407) Proxy Authentication Required.”

A few virtual desktop Microsoft Office 2016 GPO First Run and Optimization Settings

Hello! My name is Terence Luk and welcome to my blog.

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