How to block Windows 10 - November 2015 update

Threshold 2
Fall update
Version 1511
Build 10.0.10586

I have a home, pro and enterprise Window 10 machines running build 10.0.10240 - All CLEAN BUILDS
One of the pro devices has automatically upgraded to build 10.0.10586

This upgrade took several hours and appears it used a similar 'in-place' upgrade to that used from W7/W8->W10, as I now see a windows.old folder and a chunk of hdd space used.
I'm reasonably happy to install the update, but I want it at a time that I choose (probably in a few weeks)

How can I block the other machines from upgrading automatically ?    Does the upgrade show as a KB number in the windows update list?

I do not consider 'defer updates' to be good enough and I'm not keen to turn off all updates - I just don't want this massive update yet.

Chief AvocadoChief of Problem Avocado'sAsked:
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JohnBusiness Consultant (Owner)Commented:
For Home and Pro, you cannot block the update. For Enterprise, you should be able to block the update (you may need to use WSUS - I am not sure about that).

The new update is a distinct improvement over the original release. It took me nearly 3 hours (but I have a lot on my machine).

You can reduce the vast bulk of space usage in Windows. old by running Disk Cleanup (admin tools) and clicking on the "Clean up System Files" button. When it is ready to clean up, select most (all) the folders shown, particularly "Windows installs"

I suggest you pick the time for upgrade so that it can happen under your control. Better that way.
Chief AvocadoChief of Problem Avocado'sAuthor Commented:
For Home and Pro, you cannot block the update

Are you saying that the update does not follow the normal process windows updates, KB number with an option to 'hide' ?   This update is being delivered by some other stealth update procedure?
JohnBusiness Consultant (Owner)Commented:
Windows 10 changed the game, will download and install the updates and then give you up to 48 hours to restart. In the case of Threshold 2, the "restart" kicks off a long upgrade.
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Chief AvocadoChief of Problem Avocado'sAuthor Commented:
Do you have any links to Microsoft articles that describe this "new" update process ?
JohnBusiness Consultant (Owner)Commented:
Not really. It was described and well publicized in the Windows 10 announcements. It is not new. I will take a look to see what I can find, but most of the information came in Technical News articles.
JohnBusiness Consultant (Owner)Commented:
Chief AvocadoChief of Problem Avocado'sAuthor Commented:
Thanks for the comments so far.   I guess the question needs amending to:

How to block new builds of Windows 10 from being automatically installed?
JohnBusiness Consultant (Owner)Commented:
Microsoft changed this because people blocked updates and then future updates screwed up. The game was changed to make computers (Windows 10) work better. Up to you if you wish to disable, but I consider it to be a bad idea.
Chief AvocadoChief of Problem Avocado'sAuthor Commented:
John - I'm not saying - do not upgrade ever - but if my machine takes 3 hours to upgrade when I need to be working then it is an issue.   I want to postpone to a weekend or something.   If the upgrade popped up on Monday... count down 48 hours but I need to fly to Germany and do customer work on tues, wed, thurs....   then it would be very inconvenient to have my laptop not usable for 3 hours!
If the detection is done through the tool that I linked, you will be able to block updates,
Chief AvocadoChief of Problem Avocado'sAuthor Commented:
Just found this:-

About the Windows 10 November update:

"Windows 10 is a service, which means that it’s always up to date and your PC always has the latest and best features"
Chief AvocadoChief of Problem Avocado'sAuthor Commented:
I am confused if this "upgrade build" falls into the the normal "update classifications" such as

Critical Updates
Feature Packs
Security Updates
Service Packs
Update Rollups

It seems to me it is classed as something else and doesn't follow the 'normal way'.  In pre windows 10 land it would have been 'service pack'.
JohnBusiness Consultant (Owner)Commented:
It will land as Updates or Update Rollups - Updates if I remember correctly. There are no Service Packs and Threshold 2 is not a security or driver update. I think it is the latter two categories.
Chief AvocadoChief of Problem Avocado'sAuthor Commented:
So we would expect to find an associated KB number ...?  or is this build update thing "special"
JohnBusiness Consultant (Owner)Commented:
The update reinstalls the operating system and so clears update history. The update for Threshold 2 (1511) is KB3103688. Mine shows installed 11/14.
McKnifeCommented: is not threshold. I don't think it has a kb number. But you should finally try the tool I linked:
JohnBusiness Consultant (Owner)Commented:
Sorry - my error. You are correct. The update KB was for an update directly after the Threshold install. It all happened more or less at one time.
JohnBusiness Consultant (Owner)Commented:
If you can get to Threshold 2, there was a rollup update to Threshold 2 today. I see you can now defer a restart for nearly a week. I could have restarted Tuesday next or any time in between. I think the Windows 10 original limit was 48 hours.
Chief AvocadoChief of Problem Avocado'sAuthor Commented:
Are we thinking that a Windows 10 PRO, joined to a domain, user logged in with only user rights, is also going to automatically update?
On domains, one uses WSUS, so updating is under complete control.
Chief AvocadoChief of Problem Avocado'sAuthor Commented:
So, in the example of WSUS - which classification does this Build 10.0.10586 fall into ?
We don't know yet, it is not yet detectable by WSUS. The home people are Microsoft's test crew. If it goes well with them, they publish it to WSUS.
Chief AvocadoChief of Problem Avocado'sAuthor Commented:
kb 3012973

If I attach one the pro devices to my rmm system (N-Central by N-Able Solarwinds) I now see the patch as 3012973
But I can't find an official MS article on it.
I don't think that that's it. Google that number, you find hits starting september, so at a time when it wasn't out yet.
Chief AvocadoChief of Problem Avocado'sAuthor Commented:
See attached
no attachment.
Chief AvocadoChief of Problem Avocado'sAuthor Commented:
Lets try again

I see the patch for PRO, but not yet for Enterprise

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JohnBusiness Consultant (Owner)Commented:
At this point, just bite the bullet, upgrade to V1511 and the problem has been solved in the new update. This will be of value in yet future updates.
If you are on a domain with wsus configured, you know you can hold back the update. If not on a domain, use the tool from my link, as it allows to block updates even on 10. Is that still debatable? :-)
Chief AvocadoChief of Problem Avocado'sAuthor Commented:
The Microsoft method is very confusing due to lack of information.   The upgrade only started to make sense I used a 3rd party system to manage the updates.   I have no idea how WSUS is handling it.
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