What happens if Domain Controller server authentication certificate expires?

Dear People,
We have got two Domain controller servers and accordingly two Azman servers. we
have got two certificates issued for each Domain controllers to our two Azman servers. Both these certificates are going to expire in next few days. We have few Web
& Desktop applications for which we authorize a large pool of users with the help of these two Azman servers.
Now, Issue is, Domain Controller certificates are going to expire soon on both Azman servers. Can somebody tell me, what could be impact of expiration of these certificates?
will all the application be down after that? Should I must go for renewal of certificates? Please help me as soon as possible otherwise I will be in big trouble. Thanks.

Hi,
Based on my research, Domain Controller Authentication certificate is used for client authentication, server authentication and smart card logon.
You need to renew the certificates before they expire, otherwise problems about smart card logon and SSL connection will occur.
More information for you:
Processing Domain Controller Certificates
http://technet.microsoft.com/en-us/library/cc787009(v=WS.10).aspx
Best Regards,
Amy

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</Event>
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Hi adil,
Service principal names (SPNs) are stored as a property of the associated account object in Active Directory
Domain Services (AD DS). I noticed that you have used setpn –X to identify the duplicate SPN. Please refer to following articles and check if help you to solve this issue.
Event ID 11 — Service Principal
Name Configuration
Event ID 11 in the System log of domain controllers
Please also refer to following article and check if can help you.
The problem with duplicate SPNs
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft
does not guarantee the accuracy of this information.
If any update, please feel free to let me know.
Hope this helps.
Best regards,
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Based on my research, members of Server Operators group don’t have sufficient rights to install updates for Domain Controllers, you can refer to this article below:
Default groups
http://technet.microsoft.com/en-us/library/cc756898(v=WS.10).aspx
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http://technet.microsoft.com/en-us/library/dn595129.aspx
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http://technet.microsoft.com/en-us/library/cc780182(v=WS.10).aspx
I hope this helps.
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Hi.
I have a primary domain controller running Win Srv 2012 in USA and i added a secondary domain controller 2012 in the same domain from a different location India, through VPN.so that India user accounts can authenticate by the secondary DC instead of primary
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There are warning or error events within the last 24 hours after th
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Starting test: NCSecDesc
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Starting test: NetLogons
Unable to connect to the NETLOGON share! (\\server2\netlogon)
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Starting test: CrossRefValidation
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Starting test: CrossRefValidation
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Starting test: CrossRefValidation
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Hi.
I have a primary domain controller running Win Srv 2012 in USA and i added a secondary domain controller 2012 in the same domain from a different location India, through VPN.so that India user accounts can authenticate by the secondary DC instead of primary
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Installation & replication of AD went fine
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Preferred DNS for india client machine is Secondary DC IP and alternate is Primary DC IP USA.
Firstly make sure that you have configured sites and subnets correctly. According to your information which you have two locations, you should have at least 2 sites and 2 subnets associated to them. If you have forgotten to configure subnets of India in your
site and services and assigned them to the India site you are experiencing this issue. Also make sure if clients in India has appropriate network connectivity to the domain controllers in India.
Mahdi Tehrani |
|
www.mahditehrani.ir
Please click on Propose As Answer or to mark this post as
and helpful for other people.
This posting is provided AS-IS with no warranties, and confers no rights.
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Dear Team,
I
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What happens if Domain Controller server authentication certificate expires?

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