How to retain emails on Outlook after period of downtime.

I'm moving a server from Tx to Ca by overnighting the drive to CA (creating a VM).

My question is: since i created an image of the system and will bring it up live 1 day later. Is there a way to keep Outlook emails for that period of time?  Outlook is already on cache mode, but I think once I bring exchange back online there will be that discrepancy of emails on Exchange. I believe it is going to delete the emails from Outlook.

any ideas besides exporting PSTs?
Anthony H.Asked:
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AmitIT ArchitectCommented:
Nothing will happen. Emails are stored on  your server. OST is just caching locally and will updated, once your server is up. Make sure you have DB level backup, before you move the server. Change the IP and register id in DNS by running ipconfig /registerdns command.
Anthony H.Author Commented:
Exactly  but emails will be lost? The vm will be 1 day old.
AmitIT ArchitectCommented:
If your server is down, then internal emails also down. You might be worried about external emails, those will queued up at sender end or if you have any ISP in between your server and external network, email will be queued up there. Once server is up, it will be delivered.
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Steve BottomsSr Network AdminCommented:
If you're shutting down the mailbox server then, yes you could possibly *never receive* messages during the downtime.  If you have a third party anti-spam service like mimecast it should cache them until the server is back up.  If you are bringing up a *duplicate* server in CA and haven't config'd it as part of a DAG (ala Exchange) then yes, there will be a delta you have to deal with.
Thomas MulkeyCommented:
If I understand you took an image of your e-mail server and overnighted it.   While that is happening your existing server is still running delivering and receiving mail.  Then you want to bring the server up at the new location off of a 1 day old VM Image.  In this case yes you would loose the mail.

Here is how I have done a similar project.   This was for a small company with a total of about 60 exhcange users and one server that handled all exchange services.   It was Exchange 2010 running on server 2008 on VMWare ESXi 4.1

I used drive snapshot from www.drivesnapshot.de  for my backups (and restores)

1. Make Image of the server and ship that image.  Keep a copy of the HSH file for each disk locally for latter Differential Backup
2. Ship the Image to remote site
3. Do a a quick differential block based backup of the existing server to capture changes at local site.
4. Shut down existing server at local site
5. Send the much smaller differential backup file(s) over WAN link
6. Restore that image+differential into the new location VM with a PE boot cd iso.
7. Bring down old server, bring up new server.  
8. Change MX, routing, etc to route mail to new server.
Anthony H.Author Commented:
Excellent info Thomas.  Quick question, you lost me on #6 Restore that image+differential into the new location VM with a PE boot cd iso.

What is a PE boot CD ISO and how do I use it?
Thomas MulkeyCommented:
The BE Boot Disk is a Windows Boot Disk that lets you have basic network connectivity and see the disks for doing things like restores.  On VMware I made a BartPE boot disk, the utility was a little hard and only uses XP/2003 for it's boot up files.   If you google Bart PE you will find it.

For HyperV I made a boot disk from a free utility called AOMEI PE Builder.  It is much simpler to use.  Basically you just install it on a Guest machine, have it create a boot disk.  I goes out and looks at your current drivers and collects them and build them into an ISO file.  You can then boot it up in the VM.  I then go set and IP address, etc. to see the network.  I have my backup files on a windows share and I point to that share and run Snapshot.exe or Snapshot64.exe and restore the image to the disk.  If you have the Differential backup files you point to those to do your restore and it will then ask you where the Master backup files are and you go point to those and it will restore both at the same time.

I also believe there is a Windows PE Boot disk creator and it is installed with the Administrative Toolkit.  I am sure MS has a write up on it somewhere, but I have never used it.

You can download the Drive Snapshot program at www.drivesnapshot.de.   It has a free 30 day version, but when it expires you can just re-download.  I bought a license for all my stuff and it has a plethora of command line options and I have it scripted and used it to backup all my servers and workstations every night to Linux boxes with a samba shares.  I then sync them all off-site using Linux's Rsync utility, so I always have current backups off site.  I also have a script that writes my server backup to USB Docked SATA drive(s) weekly and I store those off site in cold storage.   The program is amazing it is a 384K single executable file.  It costs about $30 for a workstation license and $100 for a server license.  I built our whole backup system for about $4000 that included all licenses, used Celeron PC's for backup servers, and A few cases for drives.   A comparable commercial solution was going to be about $80,000-100,000 dollars.   It works, we have had to recover from several bad situations, and it has always worked.  One was Cryptolocker a few years ago that encrypted every share on the file server.  I had it all back in about 45 minutes.

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