Login or data transfer error
From Zenitel Wiki
In the case the upload/download is not successful it may be due to a windows setting.
- For Windows XP: http://www.sysprobs.com/enable-ping-in-xp
- For Windows7: http://www.sysprobs.com/enable-ping-reply-windows-7
Also check the network sharing options and make sure the Network discovery is enabled. For Windows 10: