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Active Directory

The “do something to all machines” PowerShell Script

January 6, 2021 by Dan B. Lee Leave a Comment

On a domain? You can do something to all machines on a domain with this quick little script here. Your best bet is to open up an elevated (admin) Powershell Prompt on a domain controller and then run that here: Get-ADComputer –filter * | foreach { < do the thing > } Here are some examples that have really helped me in my administrative journeys: Force GPUpdate for all machines on the domain: Get-ADComputer –filter * | foreach { Invoke-GPUpdate –computer $_.name -force } Force … [Read more...] about The “do something to all machines” PowerShell Script

Filed Under: Active Directory, Group Policy, PowerShell Tagged With: Active Directory, Domains, PowerShell, Scripting

Error during dcpromo: “The source server is currently rejecting replication requests”

January 20, 2020 by Dan B. Lee Leave a Comment

Problem You cannot demote a domain controller using dcpromo. You receive the following error: Resolution There's a good chance your Domain Controller has an important service not running or, most likely, replication has been disabled for some reason. Here are some quick things you can do to test: In your source domain controller, head to Active Directory Sites and Services Expand the sites until you find the server you are trying to demote. Right click the NTDS settings under … [Read more...] about Error during dcpromo: “The source server is currently rejecting replication requests”

Filed Under: Active Directory, Windows Server 2008 R2 Tagged With: Active Directory, ADDS, dcpromo, Domain Controller, Domain Controller Error, NTDS

Password Policies such as Maximum Password Age are not being set by GPO

June 1, 2017 by Dan B. Lee 1 Comment

This issue applies to Server 2003 schemas. Remember, your schema may be lower than your domain controller server version. So you're working through some policy issues and you find that your computer isn't picking up the proper password policy that you've applied, even though your machine is definitely part of the OU where the GPO is linked. You do an RSOP and see that the resultant policy is not applied and can't figure out why some things like password age or complexity are not being changed … [Read more...] about Password Policies such as Maximum Password Age are not being set by GPO

Filed Under: Active Directory, Group Policy, Security, Windows Server 2003, Windows Server 2008 R2, Windows Server 2012 Tagged With: Active Directory, GPO, Group Policy, Schema, Security, Server 2003

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Dan Lee

Dan B. Lee works at SyApps, LLC., a Managed Hosting Solutions Firm, as a Senior Network Engineer. Dan has a decade of IT experience and specializes in a number of different disciplines including Virtualization, Web Site Hosting and Design, Network Security, Data Center Architecture, Local and Remote Server Hosting, and Backup & DRS Solutions. Read More…

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