Simple DNS Plus
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How do I backup and restore Simple DNS Plus settings and data?

Which files to backup

In Simple DNS Plus v. 6.0 and later, the DNS zones and records, and the different program settings (Options dialog etc.) are all stored in a single database file called "sdnsplus.db" in the Simple DNS Plus application data directory.

On Windows Vista / Server 2008 and later, this location is typically:
C:\ProgramData\JH Software\Simple DNS Plus
On earlier Windows versions:
C:\Documents and Settings\All Users\Application Data\JH Software\Simple DNS Plus

How to backup

You can shut down Simple DNS Plus, make a copy of the "sdnsplus.db" file, and that's your backup.

However, as it is likely not very convenient to shut down your DNS server at any schedule, Simple DNS Plus includes a command line option (-b) to make a copy of the database (at a safe point) while the program is still live and running.

For example:

sdnsplus.exe -b "c:\my backups\sdnsplus.db"

How to restore - all data

To later restore this on a new or reinstalled computer, simply install a fresh copy of Simple DNS Plus, and copy the backup file to the Simple DNS Plus application data directory as "sdnsplus.db".

How to restore - individual zones

In Simple DNS Plus v. 7.0 and later, you can import selected zones from a Simple DNS Plus database file / backup.

Click the "Records" button, then "File" menu, then "Import...", then "Import a set of zones listed in a DNS server boot/configuration file", then "Simple DNS Plus v. 6.0 or later "sdnsplus.db" file:

Click then "Next" button, select the zones to import, and follow the prompts.

License

Your license is either stored in the "sdnsplus.db" file (see above), or in a separate "license.json" / "license.xml" file in the same location - depending on your version of Simple DNS Plus.

It is not stricly necessary to back up the "license.json" / "license.xml" file, as you can always re-activate the license (as long as you have your license key).

If you restore Simple DNS Plus to a new computer, your license will always need to be re-activated. For more on this, please see How to move Simple DNS Plus to a new computer

Scheduling daily backups

You can of course also use above command line option as part of a backup script, or with Windows scheduler.

For example, to schedule a backup every night at 3:00 AM (on recent Windows versions), right-click the Windows Start button and select "Computer Management":

Right-click "Task Scheduler" and select "Create Task...":

Enter a name for the task, and select "Run whether user is logged on or not":

Select the "Triggers" tab and click the "New..." button:

Select "Daily" and enter "3:00:00 AM" and click the "OK" button:

Select the "Actions" tab and click the "New button":

In the "Program/script" field enter the path to sdnsplus.exe and in the "Add arguments" field enter "-b", space, and the path to the backup file (remember quotes if it contains spaces), and click the "OK" button:

Back in the "Create Task" window, click the "OK" button:

Enter your password, and the daily backup task has been scheduled:

Finally make sure to point your backup software to this backup folder.

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