Canalblog
Suivre ce blog Administration + Créer mon blog
Publicité
PROSERVIA : Pôle Conseil Expertise
Newsletter
Archives
PROSERVIA : Pôle Conseil Expertise
active directory
16 décembre 2015

Active Directory replication fails with error Target Principal name incorrect

I recently had a problem with a client's Active Directory 2 Active Directory sites were unable to connect during a few days, and in the meantime the domain controllers changed their computer's account password (see Murphy's Law) When the network came...
Publicité
16 décembre 2015

Active Directory : replication error target principal name incorrect

Lors d'un dépannage client, j'ai du résoudre un problème de réplication Active directory assez particulier. 2 sites Active Directory ont été coupés pendant plusieurs jours, et durant ce laps de temps, les contrôleurs de domaine ont changé le mot de passe...
9 janvier 2014

Howto: AD Authentication in vCenter SSO 5.5

With the recently released VMware vSphere 5.5, the component Single-Sign-On (SSO) has been completely rewritten. The biggest change is that the RSA database has been removed, which eliminates much of its complexity. There is also a new identity type (Active...
23 septembre 2013

Synchronisation des horloges dans un environnement virtualisé

Voici une question qui se pose régulièrement chez les clients, et voici un avis intéressant sur la question.... Dans un environnement de domaine Windows, la synchronisation des horloges des différents systèmes est primordiale, notamment pour que le protocole...
16 août 2013

Synchronisation des horloges dans un environnement virtualisé

Synchronisation des horloges dans un environnement virtualisé
Dans un environnement de domaine Windows, la synchronisation des horloges des différents systèmes est primordiale, notamment pour que le protocole d’authentification Kerberos fonctionne. Il y a d’autres effets de bord sur certaines applications qui peuvent...
Publicité
20 juin 2013

Windows 8.1 will add MDM-based management options, confirming Active Directory is not for device management anymore?

A year ago I wrote an article called The REAL reason Microsoft Windows RT devices won't be able to join AD domains. (Hint: AD is not about systems management anymore!) My belief at the time (and now) is that the whole Windows domain structure as a concept...
26 avril 2013

Promote a Member Server to Domain Controller in Windows Server 2012

Configuring Active Directory on Windows Server 2012 is a process worthy of patience and attention to detail. It involves installing the Active Directory Domain Services role, defining a new AD forest, creating the first (or root) domain in the forest,...
11 avril 2013

How to find inactive computer accounts in Active Directory

From time to time you might need to clean up the Active Directory from computer accounts which are no longer active. Computers that has been reinstalled, replaced with new ones, old VMs. In many of those case you’ll might just end up with active directory...
11 février 2013

iOS 6.1 banned from corporate servers due to Exchange snafu

iPads and iPhones running the newest version of iOS are being blocked in some enterprises because bugs are overloading corporate Exchange servers One of the benefits of Apple's iOS devices such as the iPad and iPhone is that you can upgrade to the latest...
7 janvier 2013

Changing Password on Administrator Accounts - Performing an Audit

This article addresses a common task which many administrators have to address within their career as as an IT professional - changing the password on a core administrator account. Scenario It is well known that Administrators should always create dedicated...
3 janvier 2013

Retour expérience migration DFS-R en inter-forêt

Les migration Active Directory se suivent et se ressemblent à quelques exceptions près. Chaque nouvelle version de système d’exploitation Microsoft vient apporter son lot de nouvelles fonctionnalités que les clients pourront mettre en œuvre à loisir....
12 décembre 2012

Samba 4 released, brings Free alternative to Active Directory

The long wait is over — the Samba project has announced the release of an Active Directory-compatible domain controller. No longer does having an Active Directory (AD) domain controller on a network automatically mean that, somewhere in the building,...
23 novembre 2012

Au revoir Repadmin /showreps !

Suite au conseil d'un collègue, je vous propose de découvrir un outil qui permet de remplacer Repadmin en étant plus agréable à l'oeil.. il s'agit de AD Replication Status Tool. Ce logiciel permet d'avoir un visuel des réplications AD à un instant T....
4 novembre 2012

How To Find When A User Password Expires?

How To Find When A User Password Expires?
As an admin, how do we find out when a user’s password expires? It is easy to find, once you know the command The one we need to run is Net User username /domain from the command prompt. It gives you more info than what you are looking for, but it has...
27 septembre 2012

HOW TO: P2V a domain controller

A lot has been written about P2V’ing Windows Domain controllers. The preferred way is to build a new domain controller based on a virtual machine and demote the physical domain controller. Rebuilding a new domain controllers may not always be possible...
24 septembre 2012

Windows Server 2012 Virtualized Domain Controllers

Domain controllers are very different from non-domain controller computers on your network and that makes duplicating or cloning them somewhat problematic. Domain controllers present important security considerations and virtualizing DCs is something...
12 septembre 2012

Creating a AD user without knowing it’s initial password

Creating a AD user without knowing it’s initial password
That’s a tricky question. Every user we create in active Directory require an initial password that user will use to connect for the first time. At this step, user account can (and should be configured) to enforce a password change. From a security point...
9 août 2012

Active Directory Replication Status Tool

After a decade, we have a GUI tool to troubleshoot AD replication problems. It is called Active Directory Replication Status Tool. Gone are the days where we used repadmin and all it’s different syntax to troubleshoot replication issues in AD. The Active...
7 juin 2012

Exchange 2010 Notes from the Field - ActiveSync and Active Directory Permissions Inheritance : ActiveSync not working for users?

Exchange 2010 Notes from the Field - ActiveSync and Active Directory Permissions Inheritance : ActiveSync not working for users?
One of my earlier Exchange 2010 deployments was at a client that had modified the default inheritance settings of Active Directory such that default security permissions did not apply to some Organizational Units (OUs). This prevented ActiveSync from...
22 novembre 2011

Office 365 – Mise en place de la Synchronisation d'Annuaires – Partie 1

Le passage de la messagerie d'une entreprise vers Exchange Online de Office 365 doit être traité comme un projet à part entière. Que l'on soit responsable informatiques ou impliqué dans le projet, l'une des étapes associé à un tel projet est au une phase...
Publicité
1 2 > >>
Publicité
Publicité