DHCPv6 client in Windows 10 broken after anniversary update

[Harald F. Karlsen]

On 10.10.2016 15:29, Mikael Abrahamsson wrote:
>
> So I did some more investigation. I had missed that I needed to use 
> /renew6 and /release6 before.
>
> Now I have 10 minute lease time.
>
> 5 minutes into the lease time, I can /renew6 the lease successfully 
> and get 10 more minutes leasetime.
>
> around 2-3 minutes before the lease-time expires I see that Win10 has 
> marked the IA_NA as (deprecated), I try to do "/renew6" I get the 
> following error:
>
> "An error has occured while renewing interface Ethernet: The semaphore 
> timeout period has expired".
>
> This renew fails. If I now ctrl-c this /renew6 and run /renew6 again, 
> the renew succeeds and the address is back again as (preferred) and 
> the lease time is 10 minutes.
These are the exact same obervations I have done so far.
>
> I also have a Ubuntu 16.04 box that won't keep its lease either... so 
> I don't know what's going on. Will look further.
>
> Harald, what DHCPv6 server are you using?
>
I run my DHCPv6 server on a Juniper SRX220 with Junos 12.1X46-D55.

-- 
Harald