Question

hi,

 i try to register my product with the serial number and it respond invalid serial number!!!!

 WHY???

 thank you

 laurent

**System moderator removed the serial number you listed as they are not allowed here to prevent theft**

Comments

Two possible reasons.
1) The product is so old that the serial number pre-dates our registration system.
2) The product if purchased used is registered to someone else, you must contact the previous owner to have them un-register it, and if you can't do that then you have to file a support ticket as mentioned below

Answer 1

This situation will require you to submit a technical support ticket through your account at my.presonus.com.

Verification will be required that cannot be submitted in this area as it is not a secure site.

Kind regards,