Windows 10 Pro, 64-bit (Build 10586) 10.0.10586
VMware® Workstation 12 Pro, 12.1.0
Here is the Picture:
Check the solution detailed in the Microsoft Get help with Windows 10 activation errors article. Your error code is listed towards the end of the article.
It seems there is something wrong when try to connect to the activation server.
Could you please provide the network type of the VM? Is it bridged or NAT mode?
Is the networking in VM works well? For example, browse the websites?
Thanks!