Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory.
Trying to install Exchange Server 2010 on a Server 2008 R2 Enterprise Edition. I keep getting failed messages. Maybe a Exchange Gruru can help me out here. So far no luck. What I have: This is a 2 server environment I'm working with. One is a Server 2003 SMB SP2 running Exchnage Server 2003. The other is a Server 2008 R2 Enterprise. Basically I want to install Exchange Server 2010 on the Server 2008 R2. I want them both to work with the same domain. This is what I'm Getting: Summary: 5 item(s). 1 succeeded, 4 failed. Elapsed time: 00:00:35 Organization Prerequisites Failed Error: Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory. Warning: Setup is going to prepare the organization for Exchange 2010 by using 'Setup /PrepareAD'. No Exchange 2007 server roles have been detected in this topology. After this operation, you will not be able to install any Exchange 2007 server roles. Elapsed Time: 00:00:24 Languages Prerequisites Completed Elapsed Time: 00:00:01 Hub Transport Role Prerequisites Failed Error: Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory. Warning: Setup cannot verify that the 'Host' (A) record for this computer exists within the DNS database on server 209.161.1.2. Elapsed Time: 00:00:02 Client Access Role Prerequisites Failed Error: Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory. Error: The start mode for the Net.Tcp Port Sharing service must be set to Automatic before Setup can continue. Warning: Setup cannot verify that the 'Host' (A) record for this computer exists within the DNS database on server 209.161.1.2. Elapsed Time: 00:00:03 Mailbox Role Prerequisites Failed Error: Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory. Warning: If Microsoft Outlook 2003 is in use, you should replicate the free/busy folder on this server to every other free/busy server in the organization. This step should be performed once Setup completes. Warning: Setup cannot verify that the 'Host' (A) record for this computer exists within the DNS database on server 209.161.1.2. Elapsed Time: 00:00:02 What I have done: Tried Transfering all Domain Operations Master rolls to the Server 2008. No joy in resolution obviously. Tried a different administrator account. No Joy Tried runas using the FQDN as admin. No joy. Ideas?
June 28th, 2010 8:30pm

After a bit more troubleshooting, I enabled Net TCP Port Sharing. No joy Tried both my ISP given DNS and my local DNS server. Disabled IPv6 as suggested in other google searchs on the same issue. No joy Summary: 5 item(s). 1 succeeded, 4 failed. Elapsed time: 00:00:31 Organization Prerequisites Failed Error: Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory. Warning: Setup is going to prepare the organization for Exchange 2010 by using 'Setup /PrepareAD'. No Exchange 2007 server roles have been detected in this topology. After this operation, you will not be able to install any Exchange 2007 server roles. Elapsed Time: 00:00:20 Languages Prerequisites Completed Elapsed Time: 00:00:01 Hub Transport Role Prerequisites Failed Error: Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory. Elapsed Time: 00:00:03 Client Access Role Prerequisites Failed Error: Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory. Elapsed Time: 00:00:02 Mailbox Role Prerequisites Failed Error: Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory. Warning: If Microsoft Outlook 2003 is in use, you should replicate the free/busy folder on this server to every other free/busy server in the organization. This step should be performed once Setup completes. Elapsed Time: 00:00:02
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June 28th, 2010 8:56pm

Hi Check the FSMO roles on domain controller and run the prepare schema on Primary Domain Controller which holds Schema master. Please Run Setup /PrepareSchema before starting the setup. What is Functional Level for your Forest and also run Exchange Best Analyzer. http://technet.microsoft.com/en-us/library/bb125224.aspx http://markswinkels.nl/2009/10/11/prepare-our-schema-ad-and-domain-using-command-line-for-installing-exchange-2010/ Thanks Mhussain
June 29th, 2010 10:32am

Hi Check the FSMO roles on domain controller and run the prepare schema on Primary Domain Controller which holds Schema master. Please Run Setup /PrepareSchema before starting the setup. What is Functional Level for your Forest and also run Exchange Best Analyzer. http://technet.microsoft.com/en-us/library/bb125224.aspx http://markswinkels.nl/2009/10/11/prepare-our-schema-ad-and-domain-using-command-line-for-installing-exchange-2010/ Thanks Mhussain
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June 29th, 2010 10:32am

Hi I agree to what Hussain wrote, check the FSMO roles and check so the schema master server have the appropriate SP level Then run in the command prompt instead to check if anything goes wrong and in that case, what step that goes wrong and post it in hereJonas Andersson MCTS: Microsoft Exchange Server 2007/2010 | MCITP: EMA 2007/2010 | MCSE/MCSA Blog: http://www.testlabs.se/blog
June 29th, 2010 3:13pm

After a bit more troubleshooting, I enabled Net TCP Port Sharing. No joy Tried both my ISP given DNS and my local DNS server. Disabled IPv6 as suggested in other google searchs on the same issue. No joy Summary: 5 item(s). 1 succeeded, 4 failed. Elapsed time: 00:00:31 Organization Prerequisites Failed Error: Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory. Warning: Setup is going to prepare the organization for Exchange 2010 by using 'Setup /PrepareAD'. No Exchange 2007 server roles have been detected in this topology. After this operation, you will not be able to install any Exchange 2007 server roles. Elapsed Time: 00:00:20 Languages Prerequisites Completed Elapsed Time: 00:00:01 Hub Transport Role Prerequisites Failed Error: Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory. Elapsed Time: 00:00:03 Client Access Role Prerequisites Failed Error: Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory. Elapsed Time: 00:00:02 Mailbox Role Prerequisites Failed Error: Setup encountered a problem while validating the state of Active Directory: Setup could not retrieve the schema master domain controller information from Active Directory. Warning: If Microsoft Outlook 2003 is in use, you should replicate the free/busy folder on this server to every other free/busy server in the organization. This step should be performed once Setup completes. Elapsed Time: 00:00:02 Hi, have you raised domain and forest functional level for New exchange2010 at Old exchange2k3? Check it. Second things it seems your exchange is not able to contact to your dns and AD. Run nslookup on New exchange box and see is it able to resolve name server. Thanks Amit Rawat
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June 29th, 2010 5:28pm

Any update?Jonas Andersson MCTS: Microsoft Exchange Server 2007/2010 | MCITP: EMA 2007/2010 | MCSE/MCSA Blog: http://www.testlabs.se/blog
June 30th, 2010 9:49am

Hi sharpe, Some good information for you: http://technet.microsoft.com/en-us/library/aa998186.aspx http://technet.microsoft.com/en-us/exdeploy2010/default.aspx#Home Regards! Gavin
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July 1st, 2010 9:13am

Hello Any update on this ? Thanks mhussain
July 7th, 2010 9:36am

Hello Any update on this ? Thanks mhussain
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July 7th, 2010 9:36am

excuse me sharpe, i having same problem at the Net.Tcp Port sharing error, how does you solve it ?? mind to share ?? thanks you.
October 28th, 2010 5:55am

Alexxe , I was facing the same before. To resolve it , go to Services.msc , Search for Net.Tcp post sharing...Change the start type to "Automatic" , Click "Apply" , Start the Service. It should resolve take care of the issue that you are experincing, regards , RajRajsekhar Banerjee
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May 5th, 2011 10:44am

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