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| | #1 (permalink) |
| | Adding host OS to domain when DC is a guest VM Hi It appears that you need your host machines in the domain in order to get any use out of SCVMM '08. This is a home configuration and I've only got two machines to play with and don't want to add a third one as a domain controller so here's the scenario I'm considering and will it work? Install a domain controller as a VM on host machine B. Add host machine A to the domain. Install a domain controller as a VM on host machine A. Add host machine B to the domain. In my head it seems like it will work but I'm wondering if I'll have any unusual auth problems due to the fact that the host OS will boot long before the DC VM. Regards |
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| | #2 (permalink) |
| | Re: Adding host OS to domain when DC is a guest VM On Fri, 6 Mar 2009 19:31:01 -0800, Shannon <Shannon@xxxxxx> wrote: Quote: >Hi > >It appears that you need your host machines in the domain in order to get >any use out of SCVMM '08. This is a home configuration and I've only got two >machines to play with and don't want to add a third one as a domain >controller so here's the scenario I'm considering and will it work? > >Install a domain controller as a VM on host machine B. Add host machine A >to the domain. Install a domain controller as a VM on host machine A. Add >host machine B to the domain. > >In my head it seems like it will work but I'm wondering if I'll have any >unusual auth problems due to the fact that the host OS will boot long before >the DC VM. > machine running on itself. Hen-and-egg problem.... -- Bo Berglund (Sweden) |
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| | #3 (permalink) |
| | Re: Adding host OS to domain when DC is a guest VM Hi Bo That's why I'm installing a second one on the other machine. Machine A is up and running and it VM DC is running. Machine B is rebooted and allowed to attach to that DC. Once up Machine A is rebooted and allowed to attach via the VM on Machine B. I guess the real question is will the connections survive the reboots as long as one of the VMs is up? "Bo Berglund" wrote: Quote: > On Fri, 6 Mar 2009 19:31:01 -0800, Shannon > <Shannon@xxxxxx> wrote: > Quote: > >Hi > > > >It appears that you need your host machines in the domain in order to get > >any use out of SCVMM '08. This is a home configuration and I've only got two > >machines to play with and don't want to add a third one as a domain > >controller so here's the scenario I'm considering and will it work? > > > >Install a domain controller as a VM on host machine B. Add host machine A > >to the domain. Install a domain controller as a VM on host machine A. Add > >host machine B to the domain. > > > >In my head it seems like it will work but I'm wondering if I'll have any > >unusual auth problems due to the fact that the host OS will boot long before > >the DC VM. > > > The host cannot attach to a domain on startup if its DC is a virtual > machine running on itself. > Hen-and-egg problem.... > -- > > Bo Berglund (Sweden) > |
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| | #4 (permalink) |
| | Re: Adding host OS to domain when DC is a guest VM On Sat, 7 Mar 2009 05:43:01 -0800, Shannon <Shannon@xxxxxx> wrote: Quote: Quote: >> On Fri, 6 Mar 2009 19:31:01 -0800, Shannon >> <Shannon@xxxxxx> wrote: >> Quote: >> >Hi >> > >> >It appears that you need your host machines in the domain in order to get >> >any use out of SCVMM '08. This is a home configuration and I've only got two >> >machines to play with and don't want to add a third one as a domain >> >controller so here's the scenario I'm considering and will it work? >> > >> >Install a domain controller as a VM on host machine B. Add host machine A >> >to the domain. Install a domain controller as a VM on host machine A. Add >> >host machine B to the domain. >> > >> >In my head it seems like it will work but I'm wondering if I'll have any >> >unusual auth problems due to the fact that the host OS will boot long before >> >the DC VM. >> > >> The host cannot attach to a domain on startup if its DC is a virtual >> machine running on itself. >> Hen-and-egg problem.... >> -- >> Quote: >Hi Bo > >That's why I'm installing a second one on the other machine. Machine A is >up and running and it VM DC is running. Machine B is rebooted and allowed to >attach to that DC. Once up Machine A is rebooted and allowed to attach via >the VM on Machine B. > >I guess the real question is will the connections survive the reboots as >long as one of the VMs is up? > do if the virtual machine is a physical machine?". The answer invariably is the same for both. In this case, if one host is already running and its guest is also running and is attached to the same network as the second host then the first host and its guest look just like two computers on the network to the second host. If one of these is the DC of the domain the second host is a member of, then fine, the second host will be able to talk to its DC over the network. -- Bo Berglund (Sweden) |
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| | #5 (permalink) |
| | Re: Adding host OS to domain when DC is a guest VM You can actually run with only one domain controller in a child partition and the parent is joined to the domain. On start up the parent will use cached credentials. You need to set the child DC to start up before any other children. There are other considerations as well. See Option 4 and some of the comments in the following blog. http://blogs.msdn.com/virtual_pc_guy...r-dilemma.aspx It's obviously not an optimum situation and may not be something you want to put into production. I have done this a few times while testing and for demos. I've had a child DC with the parent joined to the domain and managed by SCVVM also running as a child. You have to play with the timing that the children start up with. You have to do a bit of testing to see how long it takes the DC to start up then set the children to delay for at least this long. Depending on your hardware it may take ten minutes or so to get everything up and running from a cold boot. Updates can be a problem as this may delay the startup of the DC. I've found it best to update in this order - child DC first, parent, then the rest of the children. -- Kerry Brown MS-MVP - Windows Desktop Experience: Systems Administration http://www.vistahelp.ca/phpBB2/ "Shannon" <Shannon@xxxxxx> wrote in message news:1585A919-E005-423A-9EC8-A21B52DACD27@xxxxxx Quote: > Hi > > It appears that you need your host machines in the domain in order to get > any use out of SCVMM '08. This is a home configuration and I've only got > two > machines to play with and don't want to add a third one as a domain > controller so here's the scenario I'm considering and will it work? > > Install a domain controller as a VM on host machine B. Add host machine A > to the domain. Install a domain controller as a VM on host machine A. > Add > host machine B to the domain. > > In my head it seems like it will work but I'm wondering if I'll have any > unusual auth problems due to the fact that the host OS will boot long > before > the DC VM. > > Regards |
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