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We have quite a few people who work outside of our main office. &nbsp;We have been having a problem with some of them falling off the network occasionally. &nbsp; <br />
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Is there a way to determine if a computer is off the domain by looking in AD? &nbsp; Can this be done using PowerShell to generate a report?<br />
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We are using Windows server 2008r2
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We have quite a few people who work outside of our main office.  We have been having a problem with some of them falling off the network occasionally.   

Is there a way to determine if a computer is off the domain by looking in AD?   Can this be done using PowerShell to generate a report?

We are using Windows server 2008r2

How to generate a list of computers which have fallen off domain

Windows PowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language built on the .NET Framework. PowerShell provides full access to the Component Object Model (COM) and Windows Management Instrumentation (WMI), enabling administrators to perform administrative tasks on both local and remote Windows systems as well as WS-Management and Common Information Model (CIM) enabling management of remote Linux systems and network devices.

Powershell

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.