Connect to old server and open Visual SVN Server.
2. Right click on Visual SVN Server and click on Properties.
You will find Repositories Root in properties. Open file location and copy all items.
3. Connect to New Server, open Visual SVN Manager, if you already have repositories, open repositories location and paste the folders which are already copied from the old server, or if you have not created a SVN Repositories yet, create a folder, and paste repositories into it.
4. Change Repositories Root in Visual SVN Manager and refresh SVN Server.