Solved

Backup domain controller being detected by clients

Posted on 2011-09-23
4
241 Views
Last Modified: 2012-05-12
Hi there

I've just created a second domain controller on our 2008 R2 domain.

Just a quick question: As this is now the backup domain controller, will network connected workstation clients automatically know to authenticate against this computer if the PDC is offline temporarily?

I've set the backup domain controller as a DNS server on the domain too.

Naturally if it's all done transparently it's better!
0
Comment
Question by:butterhook
  • 2
4 Comments
 
LVL 57

Accepted Solution

by:
Mike Kline earned 450 total points
ID: 36585603
Yes, make sure all the clients have it listed as secondary DNS (look like you have).  Make sure to make it a GC.

Once it comes back online it may take a few minutes for clients to know it is back.  More on DC stickiness here

http://www.frickelsoft.net/blog/?p=278

Thanks

Mike
0
 
LVL 1

Author Comment

by:butterhook
ID: 36585615
Hi Mike

What to you mean, make sure to make it a GC?
0
 
LVL 39

Assisted Solution

by:Krzysztof Pytko
Krzysztof Pytko earned 50 total points
ID: 36585669
Just only to add (out of points, please) :)

As Mike said, new DC will be discovered by your domain clients. To make redundant DNS server for your servers and clients, you need to add to statically configured clients alternate DNS IP address of NIC properties and for DHCP clients you need to modify Scope/Server Options (depends on your configuration). Under option 006 add IP address of your new DC (which is also DNS if you unchecked this during promotion process).

To be able to log on to a domain or use some special AD roles, at least one Global Catalog DC is necessary. During promotion new DC in 2008/2008 R2 DNS and Global catalog roles are checked by default. If you didn't uncheck anything, your new DC is GC for sure :)

If you changed that, you need to open Active Directory Sites and Services console and under NTDS properties settings of that new DC, mark GC checkbox. Wait for replication and you can be sure that your environment has redundant DC :)

Regards,
Krzysztofd
0
 
LVL 1

Author Comment

by:butterhook
ID: 36585718
Brilliant!  

Yes I already set up the two DNS servers in the DHCP Server options, and have just checked AD sites and services to see. The second DC is GC too!

Thanks guys
0

Featured Post

Does Powershell have you tied up in knots?

Managing Active Directory does not always have to be complicated.  If you are spending more time trying instead of doing, then it's time to look at something else. For nearly 20 years, AD admins around the world have used one tool for day-to-day AD management: Hyena. Discover why

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

You might have come across a situation when you have Exchange 2013 server in two different sites (Production and DR). After adding the Database copy in ECP console it displays Database copy status unknown for the DR exchange server. Issue is strange…
Is your Office 365 signature not working the way you want it to? Are signature updates taking up too much of your time? Let's run through the most common problems that an IT administrator can encounter when dealing with Office 365 email signatures.
This tutorial will walk an individual through locating and launching the BEUtility application to properly change the service account username and\or password in situation where it may be necessary or where the password has been inadvertently change…
To efficiently enable the rotation of USB drives for backups, storage pools need to be created. This way no matter which USB drive is installed, the backups will successfully write without any administrative intervention. Multiple USB devices need t…

912 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

21 Experts available now in Live!

Get 1:1 Help Now