This message was posted on behalf of Intel Corporation
Could you let us know what image version you are running? If you access the Edison's console and run the following command: configure_edison --version or cat /etc/version, you will get the image version.
The issue you are reporting might be a known issue as described in the following thread: https://communities.intel.com/message/388831#388831. The workaround for that issue is described in the following thread: https://communities.intel.com/thread/77945. I recommend you to check it, it might fix the current issue you are facing.