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Windows Active Directory Migration from Physical to virtual

HI, I have one DC and 3 ADC’s in my enviorment. DC has around 1000 systems and 1000 user’s and few groups and also groups policies applied. Now I am planning to move all this physical machines to VM enviorment i.e. vsphere 5. Can you let me know the posibility of achiving the same without any major downtime or bottelneckes.
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shetty_sudhir21
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shetty_sudhir21
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1 Solution
 
aadi369Commented:
With any Windows OS, there are several steps to ensure that
your virtualized Active Directory implementation is a success.
These steps include:
1. Controlling clock drift
2. Optimizing network performance
3. Making DNS modifications correctly
4. Replicating database information
5. Providing virtual machine access control
6. Ensuring disaster preparedness and high availability
7. Handling disaster recovery

For more details, kindly refer:
http://www.vmware.com/files/pdf/Virtualizing_Windows_Active_Directory.pdf
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aadi369Commented:
You can also use SCVMM to perform a P2V. However, build a new virtual machine and then configure it as an additional domain controller should be better than a P2V. After that, you can remove the physical additional domain controller from your domain.
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rindiCommented:
As long as your current systems aren't OEM, you can use VMware's vCenter Converter Standalone to move your current hardware Servers to VM's:

https://my.vmware.com/web/vmware/info/slug/infrastructure_operations_management/vmware_vcenter_converter_standalone/5_0
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I would recommend you create a new Virtual DC, and Migrate the roles, and then remove/decompression the physical DC.

If you still want to push ahead with VMware's vCenter Converter Standalone, please see my EE Articles for Hints and Tips.

HOW TO:  P2V, V2V for FREE - VMware vCenter Converter Standalone 5.0

HOW TO: Improve the transfer rate of a Physical to Virtual (P2V), Virtual to Virtual Conversion (V2V) using VMware vCenter Converter Standalone 5.0
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shetty_sudhir21Author Commented:
My Physical machines are on Win 2k3 and the VM's will be Win 2008. Now can i transfer the roles from Phy Win 2k3 to Vm Win 2008? and will my clients automaticaly sync to new AD (on VM)?

Q2 : If in case i opt for P2V then, what are the tools i need to complete the task?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
it's not really recommended to P2V a Domain Controller. If you were going to do it, you would need to do it cold, e.g. powered off. otherwise there is a high chance that Active Directory would be out of date/corrupted on the converted server.

see here for further details

http://technet.microsoft.com/en-us/library/cc731188%28v=ws.10%29.aspx
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shetty_sudhir21Author Commented:
Which of the following would make sence

1. Upgrade the present Win 2k3 AD to Win 2008 and then migrate it to VM (Win 2008) ... OR

2. Install a new VM (Win 2008) and transfer the Roles from Win 2k3?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Are you currently running any Windows 2008 Domain Controllers?

e.g. do you have AD 2008?
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shetty_sudhir21Author Commented:
No it's all 2003.. but we want to achive two things.. 1st Upgrade all servers to 2008 and 2nd Move them to VM.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Two options:-

1. Migrate Roles from Physical Windows 2003 DC to Virtual Windows 2003 DC. Dec omission/Remove physical DC. Upgrade to Windows 2008.

or

2. Add/Install Windows 2008 Upgrade, transfer roles, Dec omission/Remove physical DC.
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