Disaster Recovery Site and Active Directory (Part 3 of 3)

Welcome to part 3 of the series… hopefully you have enjoyed the first two parts where we have discussed client logon and clients failover between Domain Controllers and sites. In the last part of the series we’re going to discuss Domain Controller replication failover between a Hub, Branch and DRP sites and different scenarios when…


Disaster Recovery Site and Active Directory (Part 2 of 3)

So in Part 2 of the series we’re going to discuss the following scenario: The challenge in this scenario is to make the clients in the different Branch sites to failover to their closest Hub sites. It’s obvious that HUB is the best option for failover from Branch when the DC in branch (Child-DC03) fails,…


Disaster Recovery Site and Active Directory (Part 1 of 3)

Hi All, Michael here again, and this time I would like to talk a little bit about Active Directory replication and Disaster Recovery sites. Since the not so recent events (taking place on 9/11) many companies started to invest time and money in designing and implementing Disaster Recovery solutions which are located at a different…


Authenticode, signing, VSTOs and what they have to do with CRLs

The topic of this post may sound a bit strange with many big words, but the reason of the topic is one.. One picture is worth a thousand words, so what I’m trying to explain is this:   Unknown publisher?? I can’t install it for users, I want to deploy it silently…   Scenario #2…


And sometimes the GUI does not tell you the whole story

Hi All, Hello world! This is Moti. Just as Michael and Guy, I am a member of the Israel PFE team, specializing in Performance/Internals, Remote Desktop and Failover Clustering. I have been working recently on a case and came across an interesting performance behavior of SQL server installed with SCCM server. It appeared that the…


A case of a disappeared schema attribute or schema limbo in progress

Disclaimer: Do NOT in any way attempt to perform the steps outlined in this post in your production environment. If you do this, things will break. Take my word on it ! Disappeared attribute ? How that can happen ? I mean, either the attribute is in the schema or not, and there is no…


Debugging DsGetDCName in Win7

Hi,   That’s just a short post while I’m working for a longer one. A couple of days ago I was debugging an application, and I wanted to set a breakpoint for the DsGetDCName function to figure out the flags being passed to the function – (http://msdn.microsoft.com/en-us/library/ms675983(VS.85).aspx) and while in the MSDN help in says…


Querying BITWISE flags in attributes

As you know several attributes in the Active Directory are composed of BITWISE flags. This means that the attribute consists of several flags which may be (or may be not) set on the attribute, and querying these attributes may sometimes be a real pain… The main purpose of this post is to present the LDAP_MATCHING_RULE_BIT_AND…


My Tech-ed Session References (DTC300 – Turbo Charge your Active Directory)

Hi,   Thank you all for attending my Session.. hope you had fun 🙂   Here’s a list of all references on the topics i’ve been discussing: 1. New AD Features: a. Recycle Bin – http://technet.microsoft.com/en-us/library/dd392261(WS.10).aspx b. Recycle Bin – http://blogs.technet.com/b/qzaidi/archive/2010/10/23/quickly-explained-active-directory-recycle-bin.aspx c. AD Module for Powershell – http://technet.microsoft.com/en-us/library/dd378937(WS.10).aspx d. AD Web Services – http://blogs.msdn.com/b/adpowershell/archive/2009/04/06/active-directory-web-services-overview.aspx e….