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dcpromo the wizard cannot gain access

Already a member? Close this window and log in. Join Tek-Tips Forums! Join Us! By joining you are opting in to receive e-mail. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Students Click Here. I have been trying to promote a server to a domain controller. My error is: Verification of user credential permissions failed. The wizard cannot gain access to the list of domains in the forest. This condition may be caused by a DNS lookup problem. I have chased this around and around.

Can anyone give me a hint about where to look? Thanks, David. Problem solved, I figured it out. It was the forward lookup zone transfer record in the DNS. Fixed that and all was well. Thanks to all, I appreciate your support. Red Flag This Post Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. Close Box. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden.Server Fault is a question and answer site for system and network administrators.

It only takes a minute to sign up. I am trying to Promote a new server to an existing domain using server but I keep getting an error message stating " The wizard cannot access the list of domains in the forest.

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The error is: The semaphore timeout period has expired. Both machines are running windows server Netlogon and rpc are running on DC1. Can anyone help me out? Are you trying to do this over WiFi? Have you tested for a stable link? Generally you get this error when you're copying large files and the connection craps out.

Sign up to join this community. The best answers are voted up and rise to the top. Asked 1 year, 9 months ago. Active 1 year, 9 months ago. Viewed times. Improve this question. Add a comment. Active Oldest Votes. Improve this answer. I appreciate your response but No, I am not using wifi and it is stable. I'm assuming I'm copying active directory. I do not think its a bad nic because I created a vm on a different server and ended up with the same error. I'd probably need way more information than I could get here via messaging as far as the network configuration.

If so, you may need to configure that or make changes to your firewall. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

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Once I net use as per your suggesting, my wizard went through and installed replicated. Your email address will not be published. This site uses Akismet to reduce spam. Learn how your comment data is processed. This condition may be caused by a DNS lookup problem.

A trace of the network traffic during the dcpromo process revealed a connection attempt from the local computer to one of the DCs in the root domain using the computername and username of the local computer. This of course fails since the local computer is to become the first domain controller in the new child domain and thus is in a workgroup.

Disconnect all previous connections to the server or shared resource and try again. I restarted dcpromo and ran it all the way up to the summary screen. Before I hit Finish I ran this command to delete all connections to remote servers:. Thank you very much. Thanks once again…. Leave a Reply Cancel reply Your email address will not be published. Information wants to be free!Server Fault is a question and answer site for system and network administrators.

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It only takes a minute to sign up. I can't do anything about improving the connection at the moment. I've just setup two brand new physical machines, each running an instance of a brand-new clean install of Windows Server R2 with all updates on top of VMware ESXi 6 again, this is the same at all my sites, except some are running ESXi 5.

This condition may be caused by a DNS lookup problem. The DFS Replication service failed to contact a domain controller to access configuration information. The service will try again during the next configuration polling cycle. The processing of Group Policy failed.

How To Perform A DCPromo on Windows Server 2012

Windows could not authenticate to the Active Directory service on a domain controller. LDAP Bind function call failed. Look in the Details tab for error code and description. Can anyone give me any troubleshooting clues on how to figure out why I can't successfully promote these servers to DCs? I've used almost this identical setup in a dozen different branches around the world with no problems, so I'm thinking this must be something unique to the local connection You may have better luck promoting to DC from media, as described in this MS TechNet article Basically, you will move all necessary data in one go with a packed file, instead of establishing all those connections over your high latency connections.

After promotion there will be need of regular replication, which will be retried continuously and, hopefully, some will succeed. Sign up to join this community. The best answers are voted up and rise to the top. Asked 4 years, 7 months ago. Active 4 years, 7 months ago. Viewed 7k times. I'm opening a new site physical and logical in my international Windows domain. When I try to promote the servers to Domain Controller, I am getting the following error: The wizard cannot gain access to the list of domains in the forest.

Clicking on Show more gives me the following details: This condition may be caused by a DNS lookup problem. Some additional "symptoms" of my slow connection: The above error take about 5 to 10 minutes to appear after attempting the initial step of the promotion process in another question I posted that the process was hanging, but I simply wasn't waiting long enough. I successfully joined both servers to the Domain, but one took about 5 minutes to join and the other took about 10 minutes to join.

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Logging in took about 10 minutes on one machine and 20 minutes on the other machine. Average ping is around ms. The ping is not the problem, it is the bandwidth over the local DSL connection which is about 5mbit down and kb up, but shared amongst the entire office of about 10 users. Improve this question. Daniel Daniel 1, 6 6 gold badges 24 24 silver badges 41 41 bronze badges. It may be your incredibly slow connection, other than that make sure you have full access to the other domain controllers and no firewalls are blocking required ports.

From experience, the "The wizard cannot gain access to the list of domains in the forest. The fact that you joined domain successfully over this link eliminates the possibility of bad network configuration, that would have spoiled RPC connection.

The fact that the latency is that high and resulting bandwidth is very low introduces a very high chance of failure in promotion, as any connection would be subject to timeout, resulting in a failure after a long wait. Yes, in fact i just left the domain and then rejoined it for test purposes. No problems other than very slow. It's been stuck on that step for more than an hour, on both machines.

Are there any other tests I can do to get a more detailed picture of what is wrong with the connection? Show 2 more comments.

dcpromo the wizard cannot gain access

Active Oldest Votes.Hello, Just added a new server to our domain. DNS is set up correctly it can ping my other 2 servers both r2s. Put AD role on and go to configure and get hit with :. I am on the domain admin account.

I should not be denied anything. So both old servers are having DC issues for a while which is why we got the new server to be our primary DC. Not too much out there about it besides make sure there is an A record which there is or disable a WAN optimizer which we do not have on this server.

As Z-Rogue also noted, you need to be on a specific domain and forest function level before you can introduce domain controllers, if you do not meet this requirement, they wont become DCs until you fix it.

Yes I canbut a funny thing to note I do not think it is related probably something to do with the network. I pinged our actual website and got 2 timeouts and 2 replies.

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Every other. I will probably have to look into that. Thank you for your suggestion. I don't know how to fix the replication error. I was really hoping this new server would fix that. Okay I did not know that. I will look into that.

DCPROMO install problem

Thank you! Is that something I can do during production hours? That said, you don't want to make any AD changes until you get your AD healthy or you are just going to make things worse. Thank you I will do that. Looks like the time is wrong on the DCs time skew will break Kerberos. Make sure you fix the clocks. Based on your own comment you are having replication issues, so you will only make them worse by adding yet another DC to the mix, don't do that, fix your issues first otherwise you simply move the problem.

Also I don't think I have sysvol or netlogon folders on DC01 and on DC02 there is nothing in the netlogon folder and in the sysvol folder there is a shortcut folder with my domain name and in it is ClientAgent, Policies, scripts, StarterGPOs also the same files but their names are in blue. Really odd.

DCPROMO: Domain Controller promotion fails

Manually set the time and try and run the sync command then run the repadmin again to see if replication is working. To continue this discussion, please ask a new question.

Get answers from your peers along with millions of IT pros who visit Spiceworks. Put AD role on and go to configure and get hit with : The wizard cannot access the list of domains in the forest. The error is: Access is denied.I cant promote a member server to be a DC. This server was not even able to get added to the domain.

I got that taken care of by offline join djoin. Error message: The wizard cannot gain access to the list of domains in the forest.

dcpromo the wizard cannot gain access

Share the result. Also is File and printer sharing is enabled on all your domain controllers? Restart it and check results as well. This posting is provided AS-IS with no warranties, and confers no rights. If this server was unable to added to a domain earlier, it seems it had problems regarding the operating system.

Since this server does not hold the Active Directory there is no log related to Directory Services as well in event viewer. Can you promote another server in your environment to a domain controller? I ask this in order to drill down the problem and find out if it is the Domain Problem or OS problem. How to query members of 'Local Administrators' group in all computers?

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I have tried that also. This is the second server that I'm trying to promote with the same error. Sorry for being late. So I see you can not install another domain controller as well. Can you even join to the domain?

Thank you. Same issue for me with a Windows DC. After power off the riverbed the wizard works. Office Office Exchange Server. Not an IT pro? Windows Client. Sign in. United States English.Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced. Being involved with EE helped me to grow personally and professionally.

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From dcpromo I get "The wizard cannot gain access to the list of domains in the forest. Last Modified: Our problem comes from trying to promote a non-member server to a new first DC in a new child domain. Any suggestions? Comment Premium Content You need a subscription to comment.

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