Can I login to Vcenter when my dc is down? + Q about backing up vm's

Hi,

consider this:
SAN with proliant servers
on the proliants is vsphere4 installed.
Everything runs virtual in two weeks when we finish the migration.

We run a VM with SBS2011
And a second VM with 2008R2 (domain member)

At the moment there's an old sbs2003 physical box in migration mode, this one will be demoted next week.

Vcenter is installed on the second VM (domain member)
What happens whan I shutdown my sbs vm?  Will I still be able to login with my domain admin in vsphere client when I connect to the vcenter server?

Also I'd like some pointers for a cheap but decent backup.  We have a hp d2d backup box with tapestreamer.  Before we used backup exec sbs 12.5 and this worked great (on the sbs2003 physical box).

Is there a version from symantec we can use in the vm that still can use the hp d2D solution (and that supports sbs 2011)?  Symantec backup saw it as a tape library.

I thought I could use a usb removable disk plugged in to the esx host running the sbs2011 vm but I'm not sure if this is possible?  I had issues before trying to get usb drivers connected (on esxi free)

Any other tips for backing up the vm's are welcome!
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PlusITAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
It depends on whether you have cached Domain Credentials on the vCenter server, if the vCenter Server Services is using a Domain Account.

If the service is still running, because it's using a System Account, and you can login with Local Administrator - yes.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Using USB storage is very slow.

VMware ESX/ESXi Backup Guide
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RickEpnetCommented:
I have a customer running ESXi 4.1 that uses a UBS drive connected to backup using SBS built in backup and that works well. Just the way SBS 2011 and 2008 backup works but I would not recommend it for Backup Exec.

I run my "VMware VirtualCenter Server" service on the "Local System" this way I can login as the local administrator and still bring up vCenter.

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PlusITAuthor Commented:
hi thx for the feedback

Do I just need to change that 1 service startup to my local admin account.  Nothing else has to be changed ?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I would change to a Local System Account, if you do not want it to be dependant upon a Domain User.
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PlusITAuthor Commented:
Okay I just tested logging in with the local admin and it works.  Thx for the tip.  Allthough the accoutns where allrdy on local system so I guess it must have asked me during install but this was like 6 months ago so I did not remeber.

I'm onsite this week will test the local usb drive with built in backup of sbs, I'll keep ya guys updated.
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PlusITAuthor Commented:
thx
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