Enable SSH

Download Putty. Choose SSH connection. Use port 22 and IP of your NAS.

Login using your user name and password.

Edit a file of DSM version

Use ESC key to switch to command mode and key I for edit mode. Save it in command mode using :wq!

Find your NAS

Start installation process

Choose to keep or not the configuration and files.

Select DSM file

Allow it to install

Error that it doesn’t support this OS.

Connect via Putty as a root this time


Edit a version file


Save it with command :wq

Select DSM 6 OS file

Allow it to install

Reboot the NAS

You now have DSM6 installed.
Enjoy!
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We use affiliate links on the blog allowing NAScompares information and advice service to be free of charge to you. Anything you purchase on the day you click on our links will generate a small commission which is used to run the website. Here is a link for Amazon and B&H. You can also get me a ☕ Ko-fi or old school Paypal. Thanks! To find out more about how to support this advice service check HERE
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Since I downgraded to 6.2.4 I cant get some of the packages to work or install. I get a vapid send server error of boot up. Any suggestions
After downgrade I also have same ‘vapid send server error’ issue.
Did you solve the problem?
Yes, but it took a full backup and restore. I formatted the 2 HD and started over. I later bought a new server that could handle 7.