The Sophos Community will be offline for scheduled maintenance this Saturday, May 27th, at 13:00 UTC for approximately 1 hour. Apologies for any inconvenience caused.
"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
Trying to send out a task to an Android device fails with the error "-50 C2DM notification failed"
First seen in Sophos Mobile Control 3.5
Operating systems Android
This error occurs if the connection from the Sophos Mobile Control server to Google's GCM servers is not possible
Make sure your Sophos Mobile Control server is able to connect to the Google servers via the URL android.googleapis.com Check your firewall if they are blocking access to this URL. If your Android devices are connected to a Wireless LAN the following ports must be opened to enable GCM traffic: 5228, 5229 and 5230.
Every comment submitted here is read (by a human) but we do not reply to specific technical questions. If you need technical support please post a question to our community. Alternatively for licensed products open a support ticket.