Author Archives: Cary Sun

About Cary Sun

Cary Sun is a Principal Consultant, He has a strong background specializing in datacenter and deployment solutions, and has spent over 20 years in the planning, design, and implementation of network technologies and Management and system integration.He hold CISCO CERTIFIED INTERNETWORK EXPERT (CCIE No.4531) from 1999.Cary is also a Microsoft Most Valuable Professional (MVP) and Cisco Champion, He is a published author with serveral titles, include blogs on, author for many books. Specialties: CCIE /CCNA / MCSE / MCITP / MCTS / MCSA / Solution Expert / CCA Blog: Twitter:@SifuSun

How to use Cloud Shell to fix failed to resize virtual machine at #Azure

Today, I tried to resize the virtual machine at Azure, it failed because of the virtual machine enabled accelerated networking for network interface.

If you have the same issues as mine, please follow below steps to use Azure Cloud Shell to disable it and fix the resize virtual machine failed issues.

How to configure notification for #Veeam Backup for #Microsoft #Azure with free #SendGrid account

If you would like to monitor the backup policy result of Veeam backup for Microsoft Azure, the email notification is useful tool to help you to monitor it.
You can follow steps as below to use a free SendGrid account for the email notification at Azure.

How to remove Users (Objects) that were synchronized through the Azure active directory connect tool

Have you been tried to delete users from Azure active directory or office 365 but failed? The error shows couldn’t delete this user because the account is synchronized with your on-premises server. You can delete the user from your on-premise server. If your Azure AD connect server still alive, that’s easy to solve, you can delete the user from on-premise domain controller, it will remove the user atomically. If the on-promise Azure AD connect server is no longer available, you can’t manage or delete the user (object) from the on-premises environment, please follow steps as below to delete it.

How to fix storage space direct cluster file share witness failed

I notice the storage space direct cluster file share witness failed for some reasons today, but when I check the file share permissions, everything looks good. It looks a bug but not sure.

I am going to show you how to fix this issue.

How to Configure the Microsoft Active Directory Domain Controller as Authentication Server at Citrix ADC

Today, I am going to show you how to configure the Microsoft Active Directory Domain Controller as Authentication Server at Citrix ADC.

How to Configure Citrix ADC with Virtual Apps

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Citrix ADC is deployed in front of web, application and database servers. It combines high-speed L4-7 load balancing and content switching with application acceleration, data compression, static and dynamic content caching, SSL acceleration, network optimization, application performance monitoring application visibility and robust application security via an application firewall.

How to Deploy Microsoft Project Professional 2019 Retail version with Office 365

If you are using Microsoft Office 365 without Project subscription, and you would like to install Vision retail version, it will happen the error message as below:

Deployment Cisco Duo Authentication for Windows Server 2019 Microsoft Remote Desktop Gateway #Cisco #Duo #Microsoft

Duo Authentication for Remote Desktop Gateway adds two-factor authentication to your RemoteApp Access logons, and blocks any connections to your Remote Desktop Gateway server(s) from users who have not completed two-factor authentication when all connection requests are proxied through a Remote Desktop Gateway. Users automatically receive a 2FA prompt in the form of a push request in Duo Mobile or a phone call when logging in.

How to Fix Missing SYSVOL and NETLOGON share and replication issues on new Domain Controller at Azure

Today, I deploy a new domain controller server at Azure after site to site VPN built. Verify the replication status looks fine, but when I check the SYSVOL and LOGON shares folders status, I noticed there is no any shared folder at the new domain controller server.

How to Transfer FSMO Roles and Time Server Roles to new Domain Controller

Today, I am going to show you how to step by step transfer FSMO roles to new domain controller server, and transfer time server role from the old domain controller to new domain controller.