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Upgrade 3CXHow to Upgrade your 3CX

If you have a question on how to migrate your data, back up and/or restore items, upgrading versions, licensing and any DNS or "Cannot reach activation server" issues, read the following instructions: 
 
If you try to reactivate the current installation for any reason, reactivation will fail. If you do not upgrade, and you make any changes to the hardware or to the public IP,  the PBX will revert to free mode after this date. YOU MUST UPGRADE ASAP!

Special FREE Upgrade and FREE Maintenance Offer

In order to ease the upgrade process, we have decided to give active customers a free upgrade to v15.5. That’s right, there is no charge at all to get their system up to date, secure and with lots of new features. In addition, we have extended their maintenance (if expired) until  the 31st October 2018. These are the steps you need to take:

  • Step 1: Take a backup of the current configuration.
  • Step 2: Install v15.5 and activate the license key (the one that you are currently using).
  • Step 3: If you want to migrate the configuration data, follow the steps outlined in the manual. In short:
    • V11: download V12V12.5, and V14 then migrate to each version using backup and restore.
    • V12: download V12.5 and V14 then migrate to each version using backup and restore.
    • V12.5: download V14 then migrate to it using backup and restore.
    • V14: Make a backup and then use it during installation of v15.5
    • V15: Keep updating from the management console until you have reached v15.5 SP5 (and SP6 when available)