IT Camp - Server Migration Overview
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The document discusses Windows Server migration versus in-place upgrades, outlining the benefits of migration which include improved stability, reduced downtime, and a pathway for transitioning between different system architectures. It provides detailed guidelines for the entire migration process, emphasizing the importance of preparation, validation, and rollback procedures to minimize service interruption. The migration overview includes step-by-step instructions for various tasks, including server setup, data transfer, and post-migration verification.
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IT Camp - Server Migration Overview
- 2. Migration vs. In-Place Upgrade • Migration moves configurations and data – Sources an existing server – Targets a computer with a clean installation of an Operating System • In-place Upgrade replaces the Operating System on an existing computer – Configurations and data are carried forward – Just the OS is replaced
- 3. Benefits of Migration • Provides a transition path from: – x86 to x64 OS (WS08R2 is x64 only) – Physical to virtual (and vice versa) – Full server to server core (and vice versa) • Clean operating system installs exhibit more stability • Reduces risk and downtime – OS installation and most migration tasks are performed while the source server is still live – Allows migration verification and performance benchmarking prior to bringing the target server “online” – Source server remains available if migration fails
- 4. Migration Guidelines • End-to-end instructions for all phases: – Preparation – Migration – Validation – Rollback – Post migration steps (finalize, retire source server) • Focused on minimizing downtime and changes to the source server • Utilize both new and existing tools
- 5. Migration Process Overview TechNet Migration Portal Migration Guidelines Discover Prepare Temp Storage Export Import Source Server Settings Settings Destination Server Transfer Configuration Export-SmigServerSetting and Shares Import-SmigServerSetting Send-SmigServerData Receive-SmigServerData
- 7. Destination Server Setup Windows Server 2008 R2 Step 1 Step 2 Step 3 • Add the Windows Generate Use SmigDeploy Server Migration Windows Server with appropriate Tools Feature Migration Tools switches deployment folder for appropriate source OS Use SmigDeploy.exe located at %Windir%System32ServerMigrationTools SmigDeploy.exe /package /architecture X86 /os WS03 /path <deployment folder path> SmigDeploy.exe /package /architecture amd64 /os WS03 /path <deployment folder path> SmigDeploy.exe /package /architecture X86 /os WS08 /path <deployment folder path> SmigDeploy.exe /package /architecture amd64 /os WS08 /path <deployment folder path>
- 8. Source Server Setup Windows Server 2003 SP2 / R2 Step 1 Step 2 Step 3 Step 4 • Ensure sufficient Install prerequisites: Copy the Register the disk space for the Microsoft .NET Windows Server Windows Server Windows Server Framework 2.0 or Migration Tools Migration Tools Deployment Tools higher deployment deployment folder (~25MB) Windows folder locally PowerShell 1.0 or higher Navigate to the location where you copied the Windows Server Migration Tools deployment folder SMT_ws03_amd64 or similar Run .SmigDeploy.exe
- 9. Source Server Setup Windows Server 2008 Full Step 1 Step 2 Step 3 Step 4 • Ensure sufficient Install Copy the Register the disk space for the prerequisites: Windows Server Windows Server Windows Server Migration Tools Windows Migration Tools Deployment Tools deployment PowerShell 1.0 deployment folder (~23MB) or higher folder locally Open an elevated command prompt Navigate to the location where you copied the Windows Server Migration Tools deployment folder SMT_ws08_X86 or similar Run .SmigDeploy.exe
- 11. File Server Migration Pre-Migration Step 1 Step 2 Step 3 Step 4 • On the Source: Inventory files, On the Destination: Notify users and – Back up full server settings, DFS Install OS and ask them to stop or system state namespaces and migration tools using the server – If you are migrating replication settings DFS, back up ADDS Join domain Proceed to to be migrated Install the same migration Determine the File File Services Services installed
- 12. File Server Migration Step 1 Step 2 Step 3 Step 4 On the Source: Migrate local Migrate server On the Freeze Users and Groups identity Destination: administrative Migrate the data Optional – Configure DFS changes from source to Migrate IP replication Export settings destination address Import settings servers twice* *On the Destination server run: Receive-SmigServerData On the Source server run: Send-SmigServerData -ComputerName <DestinationServer> -SourcePath d:users -DestinationPath d:sharesusers -Recurse -Include All -Force
- 13. File Server Migration Post-Migration Step 1 Step 2 Step 3 Step 4 • Verify the migration Troubleshoot Roll back Retire Source migration if migration if Server if necessary necessary migration successful
- 14. DHCP Migration
- 15. DHCP Migration Pre-Migration Step 1 Step 2 Step 3 Step 4 On the Source: On the Destination: Proceed to • Verify that the Back up Install OS and Migration number of NICs Install the migration migration tools match on the tools source and Register the migration Join domain destination tools Optional – install servers Stop the DHCP service DHCP and stop the service
- 16. DHCP Migration Migration Step 1 Step 2 Step 3 Step 4 • On the Source: On the On the Authorize the – Use Export- Destination: Destination: DHCP server SmigServerSetting cmdlet Use Import- Set the DHCP – Unauthorize DHCP SmigServerSetti server service to ng cmdlet start automatically Start the service
- 17. DHCP Migration Post-Migration Step 1 Step 2 Step 3 • Troubleshoot Roll back Retire Source migration if necessary migration if Server if necessary migration successful
- 19. Print Server Migration Pre-Migration Migration Post-Migration Access migration tools Back up printer settings Verify the migration Prepare source server on source server If Restore printer settings to problems, troubleshoot the destination server migration Migrate server identity Roll back migration If successful, retire source server