Dns Delegation Error Windows Server 2008
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IT/Dev Connections Webcasts VIP Library Digital Magazine Archives InfoCentersIT Innovators Mobile Computing Business Now Desktop VDI All About Converged Architecture Advertisement Home > windows server 2008 dns records disappearing Systems Management > Active Directory & Group Policy > Active Directory > Avoid Active Directory Mistakes in Windows Server 2008 Avoid Active Directory Mistakes in Windows Server 2008 Don't let these Adprep and Dcpromo errors take https://technet.microsoft.com/en-us/library/cc754463(v=ws.10).aspx you by surprise Feb 20, 2012 Justin Hall | Windows IT Pro EMAIL Tweet Comments 0 Advertisement When customers install Microsoft Active Directory Domain Services (AD DS) in Windows Server 2008 or Server 2008 R2, a couple of issues sometimes come up. One issue involves installation; another is about Microsoft's recommendations for running domain controllers (DCs) as virtual machines (VMs). These issues might be familiar to experienced administrators. But if you're a less-experienced administrator http://windowsitpro.com/active-directory/avoid-active-directory-mistakes-windows-server-2008 who needs to replace DCs that run Windows Server 2003 with those that run Server 2008 R2, this article will shed some light on these issues and can help you avoid problems. Adprep-Related Errors Adprep is a utility that you run to prepare an existing Active Directory (AD) environment for the first DC that runs a newer OS, such as Server 2008 R2. If you have an AD environment in which all DCs run Server 2008 or Windows 2003, and you want to add the first DC that runs Server 2008 R2, then you need to run certain Adprep commands: 1. Run adprep /forestprep on the schema master. 2. Run adprep /domainprep on each domain's infrastructure master. 3. If you plan to install a read-only DC (RODC -- new in Server 2008), then you also need to run adprep /rodcprep for every domain that will have an RODC. The article "The Adprep Process" tells more about this process, which is straightforward enough. Still, administrators often have questions: What exactly does Adprep do? What is the process for making sure that any necessary Adprep commands run successfully? How do I work around any errors? The Microsoft article " Running Adprep.exe" explains all that and more: the utility's general purpose, the process for running the necessary commands, and how to validate the
warning that commonly appears when promoting a Windows 2008, 2008 R2, or 2012 server to a domain controller: "A delegation for this DNS server cannot be created..." When http://www.dell.com/support/article/us/en/04/SLN156699/en promoting a server running Windows Server 2008, 2008 R2, or 2012, you https://community.spiceworks.com/topic/334523-dns-error-when-creating-new-domain-in-server-2012 may see a warning similar to the following: This warning typically appears when promoting a server to be the first domain controller (DC) in a new Active Directory (AD) domain and installing the DNS Server role during the promotion, but it may also appear when promoting additional domain windows server controllers. In most cases, this warning can be ignored. It signifies that the DC promotion (Dcpromo) wizard was unable to create a delegation on the DNS server that is authoritative for the parent domain of the domain being created. In most cases, when creating a new AD domain, there is no existing parent domain, but the wizard will still attempt to windows server 2008 infer the parent domain's name and contact the DNS server that is authoritative for it. For example, if the domain being created is named mybusiness.local, the wizard will attempt to contact the authoritative DNS server for a domain named local, which doesn't exist, and the warning will appear. There are some situations in which this warning can indicate a problem and shouldn't be ignored: When creating a child domain of an existing AD domain. In this case, the first DC in the child domain should indeed be able to create a DNS delegation within the parent domain. When creating an internet-connected AD domain for which the appropriate DNS delegation has already been manually created. The dcpromo wizard checks for an existing delegation before trying to create one, and if it finds one, the warning won't appear. Note that, in order for the Dcpromo wizard to successfully create the appropriate delegation, the parent DNS server must be running Windows DNS. For this reason, newly created internet-connected AD domains will always require the delegation to be created manually, as the t
- Follow 5147 Mentions744 Products Chris (Microsoft) Technical Consultant/SI GROUP SPONSORED BY MICROSOFT See more RELATED PROJECTS Citrix XenApp (Presentation Server) To meet the needs of home-based workers, field workers, and kiosk users, we decided to deploy a small Citrix XenApp (formerly Presentation Server, formerly MetaFrame) farm. Clean Server Room Hired to TilsonHR there's one thing, local support for the users and no support company. On top of the many support related subjects I deal with, cleaning the server room was a day 1 topic. Migrate From Exchange 2003 to Exchange 2010 Transition from Exchange 2003 to Exchange 2010 on a new Server 2008 R2 VM running on VMware. The goal was to complete in house while minimizing costs. TECHNOLOGY IN THIS DISCUSSION Join the Community! Creating your account only takes a few minutes. Join Now Hi, I am creating my first Server 2012 domain. As the root domain name, I have entered TCG.co.uk (the PC name is DC1). When creating the domain I get an error titled 'DNS Options' : A delegation for this DNS server cannont be created because the authoritative parent zone cannot be found or it does not run Windows DNS server. If you are intergrating with an existing DNS infrastructure, you should manually create a delegation to this DNS server in the parent zone to ensure reliable name resolution from outside the domain "TCG.co.uk", Otherwise, no action is required". I have not yet created a DNS server, although this server (DC1) will be the primary dns server. Should I assign the DNS role to it prior to promoting to a domain controller, or can I do this and intergrate with Active Directory after promoting, and just ignore the message? Reply Subscribe View Best Answer RELATED TOPICS: DNS error - cannot find server DNS Error DNS Error Hotnames Not Found   5 Replies Tabasco OP Best Answer Mike Nichols May 9, 2013 at 2:04 UTC That can be ignored if you're not integrating it with an existing DNS server, it's basically warning you that it can't integrate that domain name with an existing windows DNS server. If you're integrating it you need to manually set up delegation. Typically networks use .local for the internal domain suffix, you'd get that message if using a .local as well. You do not need to set up DNS first it will do it as a part of installing AD. 2