Aug 19 2019
I have never taught that I will ever use the IFM (Install From Media) option when promoting a Domain Controller until I actually need to, and funny enough, not to long ago I need to. I had a site where a domain controller was needed, so I went with the normal process of adding an …
Jun 27 2018
I have been talking about Enterprise PKI and how to build a multi-tier PKI infrastructure, but never talked in depth about the Authority Information Access (AIA) and Certificate Revocation List Distribution Point (CDP) extensions. In this article I want to extend the discussion about this certificates extensions since they are very important to understand and how …
Nov 28 2017
When building either an Enterprise Certification Authority or a Standalone Certification Authority we have to provide some information during the configuration wizard. In this article, a short one I must say, and a completion of the two mentioned above,
Nov 13 2017
As you probably know, in a domain environment there is a domain controller that is special compared to the others. This domain controller, besides other functions also keeps the time in sync in the entire domain/forest; meaning all the workstations, servers, and the rest of the
Oct 03 2017
You’ve migrated your domain to the latest version, but did you really? I’m asking this question because I’ve seen a lot of Active Directory environments migrated but not at 100%. Before making my point here, let me start with a little refresher for those that forgot about SYSVOL.
Sep 27 2016
Most companies nowadays have, or they prepare having multiple Active Directory forests in their environment, and as you know, forests are a completely different entity compared to an additional domain or tree. One forest does not trust another one, and can’t share information with another forest, unless a trust is created between the two. Usually …
Sep 07 2016
It happens. Not so often, but it happens when you just can’t remember your domain/enterprise administrator password anymore. This is a big deal since you are the Active Directory God. Just imagine not being able to log in to your domain controllers for a day and you get my point. And since everything nowadays is …
May 21 2015
As you probably know, when you promote the first domain controller in a forest, is granted five Operations Master or Flexible Single Master Operations (FSMO) roles, pronounced “fizz-moe”. Two of the roles are forest wide and the rest of them are domain specific, meaning if you have multiple domains, every domain will get the three domain specific …
Feb 18 2015
Just when you think everything is going well, disaster happens, and one or more of your domain controllers gets offline. This can happen due to a hard disk crash, a bad network card, file system corruption or corruption of the Active Directory database. Even if you have good backups somewhere on the shelf that’s only …
Sep 17 2014
You know that starting with Windows Server 2012 Hyper-V has a new feature that replicates VMs from one host to another for a disaster recovery scenario! I talked about it in this article; but configuring replication that way over non-trusted networks
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