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How to disconnect a computer from a local controller domain and activate it on MS Azure
How to disconnect a computer from a local controller domain and activate it on MS Azure
Dave Safley avatar
Written by Dave Safley
Updated over a year ago


Disconnecting a computer from a local domain controller and connecting it to Microsoft Azure is a process that involves several steps. This task typically requires administrative access both to the local machine and to the Azure environment. Here's a high-level overview of the process:

Disconnecting from the Local Domain Controller

  1. Backup Data: Before making any changes, ensure all important data on the computer is backed up.

  2. Local Admin Account: Ensure you have a local administrator account set up on the computer. This is crucial because once the computer is removed from the domain, domain accounts won't be accessible.

  3. Disconnect from Domain:

    • Go to Control Panel > System and Security > System.

    • Click on Change settings or Advanced system settings.

    • In the System Properties window, under the Computer Name tab, click Change.

    • Select Workgroup and enter a workgroup name (it can be anything if you're not joining a new domain).

    • Click OK, and you'll be prompted to restart the computer.

  4. Restart the Computer: This step finalizes the removal from the domain.

Connecting to Microsoft Azure

  1. Azure Subscription: Ensure you have an Azure subscription. If not, you'll need to set one up.

  2. Azure Virtual Network: If you don't already have a virtual network in Azure, you'll need to create one. This network will be what your computer connects to.

  3. Install Azure AD Connect (if not already installed in your environment):

    • Azure AD Connect is a tool that connects your on-premises environment to Azure AD (not Azure VMs).

    • Download and install Azure AD Connect from the Microsoft website.

  4. Joining Azure AD:

    • On the computer, go to Settings > Accounts > Access work or school.

    • Click Connect, and then select Join this device to Azure Active Directory.

    • Enter your Azure AD credentials when prompted and follow the instructions.

  5. Verification:

    • After joining Azure AD, you might need to restart the computer.

    • Verify the connection by logging in with an Azure AD account.

  6. Optional - Azure Virtual Machines:

    • If you're planning to use this computer as a virtual machine in Azure, you would then go through the process of creating a VM and attaching the computer's disk as the VM's disk in Azure.

Important Considerations

  • Compatibility: Ensure that your computer's OS is compatible with Azure AD.

  • Internet Access: The computer needs internet access to complete these processes.

  • Permissions: You need administrative permissions on both the local computer and your Azure environment.

  • Domain Dependencies: Be aware of any dependencies on the local domain (like software or network resources) that might be affected by this change.

If you're unsure or encounter issues, it might be a good idea to consult with an IT professional familiar with your specific setup. Remember, this is a high-level overview, and specific steps can vary depending on your computer's operating system and your Azure configuration.

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