I have 5 sites all with subnets. At site one - 2 DC one as main and other as DR DC on Windows Server 2003 Ent Edt At site two- one DC on Windows Server 2003 Ent Edt At site three - one DC on Windows Server 2003 Ent Edt At site four - one DC on Windows Server 2003 Ent Edt Site five new one . Want to deploy Windows Server 2008 Entriprise Edition We have some servers with windows server 2000 SP3 and SP4. Can I deploy Server 2008 AD in current domain? Is this possible?

I donot think there will be a problem. You need to prepare the scheme using ADPREP. Check this link. Thanks

http://technet.microsoft.com/en-us/library/cc731314(WS.10).aspx please refer all the contents in this link.That includes the correct way of upgrading domainsDarshana Jayathilake

Hello, Yes you can deploy it. You have to upgrade to AD DS 2008: http://technet.microsoft.com/en-us/library/cc731188(WS.10).aspx Once done, you can add 2008 DCs. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner 2010 / 2011 Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Applications Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows 7, Configuring Microsoft Certified IT Professional: Enterprise Administrator Microsoft Certified IT Professional: Server Administrator Microsoft Certified Trainer

I donot think there will be a problem. You need to prepare the scheme using ADPREP. Check this link. Thanks

http://technet.microsoft.com/en-us/library/cc731314(WS.10).aspx please refer all the contents in this link.That includes the correct way of upgrading domainsDarshana Jayathilake

Hello, Yes you can deploy it. You have to upgrade to AD DS 2008: http://technet.microsoft.com/en-us/library/cc731188(WS.10).aspx Once done, you can add 2008 DCs. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner 2010 / 2011 Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Applications Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows 7, Configuring Microsoft Certified IT Professional: Enterprise Administrator Microsoft Certified IT Professional: Server Administrator Microsoft Certified Trainer