Migrating / Importing DHCP from Windows Server 2008 to 2012/2016/2019

If you already had the scenario where you needed to migrate the DHCP service from Windows server 2008 for a more up-to-date version, you probably encountered this problem in the message below when trying to import the backup into DHCP. But how can we get around this situation and import the configuration successfully into the new environment?

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To be successful in importing, you must perform the following steps:

  1. Log on to the old / existing DHCP server.
  2. Open a command prompt as an administrator.
  3. On the Action menu (from within the DHCP management console), click "Backup".
  4. type it netsh dhcp server export C: \ Users \ Desktop \ dhcp.txt all and then press ENTER.
  5. Install the DHCP role on the new DHCP server (2012/2016/2019) using Server Manager.
  6. Copy the exported DHCP text file to the desktop of the new DHCP server.
  7. Make sure that the DHCP service is installed and started on the new DHCP server.
  8. Open a command prompt as an administrator (on the new server).
  9. type it netsh dhcp server import C: \ Users \ Desktop \ dhcp.txt all and then press ENTER
  10. Open the DHCP management console on the new server.
  11. In the console tree, right-click DHCP.
  12. Select "Authorize".

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Note: However, for the above procedure to be successful, both operating systems must be in the same language. If it is different, an error will occur and the backup will not be restored. In this case there is no way around this error.

reference: https://www.brycematheson.io/how-to-migrate-dhcp-from-windows-server-2008-to-2012-2016/

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Felipe Santos
Felipe Santos is a Cloud and Security Architect, with experience in Windows Server, Cluster, Storages, Backups Veeam and Office 365 environments.



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