Active Directory

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Free tool : Find out where your AD Users are logged on into

Hi, I decided to release another free utility I wrote a while ago. This small command-line utility can be used to find out where Active Directory users are logged on into, and/or to find out who is logged on on specific machines.  This should include local users, users that are logged in via RDP, user […]

Merging & Syncing multiple Active Directory databases into one ADAM instance

Keywords : ldap authentication multiple domains combine adam adamsync adschemaanalyzer ldap proxy chain ldifde MS-ADAMSyncconf.xml MS-AdamSyncMetadata.ldf MS-ADAMSchemaW2K3.ldf Object Violation Naming Violation Ldap error occured. ldap_add_sW: Object Class Violation. Case definition : 2 AD domains, containing user accounts. One of the domains is a 2003 based domain and has the R2 + Exchange 2003 + Exchange […]

Windows 2008 PKI / Certificate Authority (AD CS) basics

Keywords : Windows 2008 PKI Certificate Authority certutil certreq template root CA Enterprise CA convert pfx to pem generate custom certificate request subject alternate name san attribute Today’s blog post targets the deployment of a Windows 2008 server based Certificate Authority (AD CS) and will discuss some common scenario’s where certificates are used / required. […]

Securing Windows Server 2008 and Active Directory

According to Microsoft, Windows Server 2008 is the most secure Windows server version ever. Windows 2008 does include many features that will help increase overall security of the OS, or assist you with securing AD, the network, etc. Most of the features/roles available in Windows 2008 are not being installed in a default installation of […]

Using Active Directory and IAS based Radius for Netscreen WebAuth authentication

As most of the bigger players in the firewall market, Juniper/Netscreen SreenOS based firewalls allow you to use/enforce/require authentication for various reasons : Admin login Client VPN Authentication to open a specific rule on the firewall In a default configuration, ScreenOS uses a local user account database for all types of authentication listed above. In […]

How to properly restore (objects in) the 2003 AD database

Windows 2000 /Active Directory has been around for more than 7 years now. I’ve been using AD for almost 7 years, and due to its stability, I never had to recover a deleted object in AD. (Knock on wood). So it’s not a real surprise to find out that a lot of admins don’t even […]

Performing AD Schema Updates in a safe way

Updating from 2003 to 2003 R2 & implementing Exchange are 2 common administrative tasks which both require a schema update. Since I’ve mentioned "updating from 2003 to 2003 R2", I’ll take the opportunity to add some "notes from the field" to this blog post, which will increase success rate of the update and limit the […]

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