More questions about Virtual Win 2012 scenario with one host and two guest OS

I already made the mistake to install the AD and promote the host OS to DC.
If I install the Hyper-V role on my Win 2012 Standard Server and 2 Guest Win 2012 Standard Server:
Q1 - Can I migrate the AD to one of the Guest OS, promote it as DC and then demote the Host?  And if I can, how do I do it?
Q2 - If I want to use the second Guest for Exchange do I have to replicate the AD to that one? And if I do, how do I do it?
I did a lot of SBS but this is my first full Win Server, I understand the theory but I do not have any practical experience with it.
campinamAsked:
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David Paris VicenteSystems and Comunications  Administrator Commented:
Do you already have any info on your AD? Users permissions etc?

If not demote your DC.
And install Hyper V?

Regarding exchange follow this->Exchange instalation.

Exchange will take care to install the objects necessary on your AD and prepare your AD.

Regards
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campinamAuthor Commented:
Yup I do have info on my users, permissions, drive mappings etc. and the users are already working on workstations so I have to keep the security ID.
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David Paris VicenteSystems and Comunications  Administrator Commented:
The best and wonder solution will be using another physical or Virtual DC on other machine.

I never did that, because the physical machine will do a reboot after the demote and all VM´s will be going down, the other DC and Exchange will be offline, and this can cause more problems on the Virtual DC.

Before do this, on production do it on a lab.

This is my advice. To much things can go wrong. Sorry :(
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Will SzymkowskiSenior Solution ArchitectCommented:
Do the following...
- Install the HV role on your 2012 server
- create the guest (if not created already)
- promote one of the guest's as a DC
- Wait for replicaiton to complete
- Ensure that your clients are pointing to the new DC for DNS
- If the (host) DC holds any roles transfer them to another DC
- Demote your DC (host)
- Install Exchange on your second guest server
- Depending on the version of exchange it should install all of the prereqs and continue the install

If it does not install all of the pre-reqs for you it well tell you what needs to be done before the installation can continue.

Will.
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campinamAuthor Commented:
The host is also a GC, because it was the first in the forest, how can I make the Guest DC a GC also.
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David Paris VicenteSystems and Comunications  Administrator Commented:
Yes. But how many DC´s do you have?

How many Domains are in your forest?


To change or Add a GC follow the steps:

1.Click Start, point to Programs, point to Administrative Tools, and then click Active Directory Sites and Services.

2.Double-click Sites to expand it, expand Servers, and then click the domain controller that you want to have the new global catalog role.

3.Double-click the domain controller to expand the server contents.
4.Right-click the NTDS Settings object that is listed below the server, and then click Properties.

5.On the General tab, click to select the Global Catalog check box to add the global catalog function to the domain controller, and then click OK to apply the changes.

6.Click Active Directory Sites and Services, and then click the outdated global catalog or domain controller that is going to have the global catalog function removed.

7.Open the properties of the domain controller, click to clear the Global Catalog check box, and then click OK to apply the changes. For any change to take effect, you must wait for the change to replicate throughout Active Directory on all of your domain controllers.

8.Restart any domain controllers whose Global Catalog check boxes have been modified.

Regards
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Will SzymkowskiSenior Solution ArchitectCommented:
If you transfer the FSMO role PDC to the new Guest DC you will need to configure the external time source. Please use the link below which outlines the procedure.

PDC External Time Source - http://support.microsoft.com/kb/816042
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