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 back, the Active Directory replication tools gave the following error :   DCDIAG reports that the Active Directory Replications test has failed with error -2146893022: “The target principal name is incorrect." This oriented me towards this microsoft... [Lire la suite]
Posté par jcdemarque à 11:10 - - Permalien [#]
Tags : , , , , , , , , ,

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 de leur compte ordinateur (cf loi de Murphy)  Après la coupure, le client n'a pas tout de suite remarqué que les réplications ne se faisaient plus. Au bout d'un temps, il a lancé des outils de diagnostique qui ont retourné l'erreur suivante :   DCDIAG reports... [Lire la suite]
Posté par jcdemarque à 11:03 - - Permalien [#]
Tags : , , , , , , ,
21 mai 2014

Veeam s'attaque à la gestion des sauvegardes dans les datacenters

Le spécialiste de la sauvegarde dans les envirronnements virtualisés étend ses capacités d'administration dans les datacenters. Parmi les nombreuses fonctionnalités supplémentaires annoncées par Veeam dans sa solution Availability Suite, on retient notamment un renforcement du chiffrement. L'éditeur Veeam annonce la disponibilité d'Availability Suite v8, une solution intégrée pour s'assurer que les données et les applications sont toujours accessibles où et quand elles sont nécessaires. La suite intègre les solutions Backup... [Lire la suite]
Posté par jcdemarque à 15:36 - - Permalien [#]
Tags : , , , ,
17 février 2014

Veeam Backup & Replication 7.0 Patch 3

Hello,   I received an email showing the availability of Veeam Backup & Replication 7 Patch 3 :   Patch #3 (build [February 12, 2014] http://forums.veeam.com/veeam-backup-replication-f2/7-0-issues-patches-and-hot-fixes-t18243.html#p90554   Many bug corrections, performance optimizations are in the package, so what are you waiting for to download and install ???  
Posté par jcdemarque à 14:23 - - Permalien [#]
Tags : , , , , ,
27 janvier 2014

Veeam Backup & Replication: Migrate VM from Hyper-V 2008 R2 to 2012 R2

One of the most important feature of Hyper-V, present in Windows Server 2012, is the Replica. This feature allows to create a copy of VM from host to another faster and easier. Over the classic Disaster Recovery scenario, Replica can be used to migrate your VMs to a new infrastructure or to different domain. But what happen if the old server is based on Windows Server 2008 R2? How we can move our VMs from Hyper-V 2008 R2 to new host based on Hyper-V 2012 R2? If we don't want pay, we can use the classic procedure export/import, but... [Lire la suite]
Posté par jcdemarque à 09:51 - - Permalien [#]
Tags : , , , , ,
14 novembre 2013

Veeam releases Backup & Replication 7.0 R2 update supporting vSphere 5.5.

Today Veeam released Veeam Backup & Replication R2. This version has a lot of new features. One of the most interesting is support for VMware vSphere 5.5. The update also contains bugfixes. Veeam has named this release a patch. To obtain the patch please download it from: Download More information here What is new: VMware vSphere 5.5 support, including support for 62TB virtual disks and virtual hardware v10 virtual machines. vCloud Director 5.5 support. Support for Windows Server 2012 R2 and Windows 8.1 as guest... [Lire la suite]
Posté par jcdemarque à 14:15 - - Permalien [#]
Tags : , , , , , , , , , , ,

04 octobre 2013

Step by Step Guide Veeam B&R 7 Upgrade

Yesterday, Veeam released Veeam Backup and Replication 7, which contains some significant improvements such as backup to tape, parallel backups (simultaneous backups with the same job), SureBackup for replicas, and more. The full list can be viewed either at http://go.veeam.com/v7 orhttp://www.veeam.com/vm-backup-recovery-replication-software.html?ad=men... This article provides a step by step guide for an upgrade from Veeam 6.5 to Veeam 7.  EDIT : I would like to add a Powershell script to change all compression... [Lire la suite]
Posté par jcdemarque à 15:05 - - Permalien [#]
Tags : , , , , , ,
16 août 2013

Save network bandwidth by using Out-of-Band Initial Replication method in Hyper-V Replica

In our recent conversation with customers about Hyper-V Replica, the questions that came up from a few customers was – Is there a way to perform the Initial Replication (IR) for VMs without stressing our organizations internet bandwidth? Initial replication of our VMs take weeks to complete, is there a faster way to get the data across to our secondary datacenter? The answer is “Yes”. Hyper-V Replica supports an option where you can transport the initial copy of your VM to the Replica site using an external storage medium -... [Lire la suite]
Posté par jcdemarque à 13:56 - - Permalien [#]
Tags : , , , ,
27 juin 2013

Reporting on RPO Violations From vSphere Replication

A commonly requested thing that people ask for from vSphere Replication is more consolidated reporting.  You can set alerts in vCenter to key off of various things that surface from vSphere Replication, but it is not exactly a consolidated list when doing so.  What people are looking for is a common interface to pull together *just* vSphere Replication alerts for things like RPO violations. My good friends and colleagues Alan Renouf and Lee Dilworth have identified a really elegant way to pull this... [Lire la suite]
Posté par jcdemarque à 16:10 - - Permalien [#]
Tags : , , , , , ,
31 mai 2013

Automating VM recovery with stand-alone vSphere Replication

With vSphere 5.1 VMware introduced the stand-alone vSphere Replication feature that enables you to continuously replicate Virtual Machines between different hosts using different storage. Formerly this feature was only available with SRM (Site Recovery Manager), this is why I call the SRM-less version "stand-alone" here, although this is not the official product name.Stand-alone vSphere Replication is included with the vSphere Essentials Plus Kit, the Standard, Enterprise and Enterprise Plus Editions. It... [Lire la suite]
Posté par jcdemarque à 15:19 - - Permalien [#]
Tags : , , , , ,