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How to carry out DHCP server migration, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain in detail for you, people with this need can come to learn, I hope you can gain something.

The company's DHCP server was built as Win2003 and has not been upgraded for many years. Considering the limited storage space of SCCM and more and more patch packs downloaded by WSUS, we decided to replace all the systems below Win2008R2 and delete the update packs of Win2008 SP2 and Win2003. Recently upgraded Windows 2008 SP2 (x64 bit) to 2008R2, while DHCP is Win2003 (32 bit) cannot be upgraded, so migrated to 2008R2. Because you do not want to modify the switch ip helper-address, use the original server IP.

The steps are as follows:

1. Create a new virtual machine in VMware vSphere environment, install Windows2008R2 system, McAfee antivirus software, and SCCM automatically update the patch to the latest.

2. Install the "DHCP Server" role and the "Windows Server Migration tool" function on Win2008R2.

3. Run the Windows Server Migration tool with administrator privileges and enter the ServerMigrationTools directory.

Enter "cd C:\ Windows\ System32\ ServerMigrationTools" to enter the server migration tools directory:

4. Export the migration package required for Win2003 DHCP migration

Enter the command ".\ SmigDeploy.exe / package / architecture x86 / os ws03 / path c:\ dhcpmig" to export the migration package. Where ws03 is the system type, and c:\ dhcpmig is the newly created local directory for storing migration packages.

5. Install Powershell components on Win2003 system, skip if installed.

The KB968930:Windows Management Framework Core package includes the following components: Windows PowerShell 2.0 and Windows Remote Management (WinRM) 2.0.

Https://www.microsoft.com/zh-CN/download/details.aspx?id=4045

Copy the migration package exported in step 4 to the Win2003 system. And stop the DHCP2003 service.

Open SmigDeply.exe (as shown below):

Enter Get-SmigServerFeature to collect service information:

When the collection is complete, the prompts are as follows:

6. Export DHCP data on Win2003 system and save it locally (or network shared directory).

Enter the "Export-SmigServerSetting-FeatureId DHCP-Path C:\ dhcp-Verbose" command to start exporting:

Note: you need to enter a password when exporting, which is used for verification during import.

If the export is successful, the prompt is as follows:

The exported data file is as follows:

7. Remove the DHCP authorization on Win2003 and modify the IP to another address. Modify IP to the original Win2003 DHCP address on Win2008R2 and authorize Win2008R2 DHCP.

Note: the authorization operation is carried out with domain administrator privileges, and the following table of local administrator permissions is empty.

8. Import DHCP data on Win2008R2

Copy the DHCP data file exported on Win2003 to your local machine. Such as C:\ dhcp

Run Powershell with administrator privileges and enter the "Add-PSSnapin microsoft.windows.servermanager.migration" command.

Then enter the "Import-SmigServerSetting-FeatureId DHCP-Force-Path C:\ dhcp-Verbose" command to start the import:

Note: when importing, you need to enter the password set by the export to verify.

If the import is successful, the prompt is as follows:

9. After the import is successful, start the DHCP service. Delete the original Win2003 DHCP service and deactivate it. The migration is complete.

You can see that the scope, address pool, and address lease information on the new DHCP server are consistent with the original 2003.

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