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Windows 10's 1607 becomes the enterprise deployment default

Gregg Keizer | Aug. 8, 2016
Timing, support lifecycles and habit make Anniversary Update the choice for corporate migrations

The just-released Windows 10 Anniversary Update will be the version Microsoft's biggest customers use to migrate their PCs.

Due to timing on the part of both Microsoft and enterprises, Windows 10's support cycles -- and old habits -- this week's upgrade, tagged as 1607 to mark year and month, will shoulder the responsibility as the version destined for deployment.

"[Anniversary Update] is the right version for enterprises [because] it's like the first service pack," said Steve Kleynhans, an analyst at Gartner.

Microsoft may have abandoned the term "service pack" -- a label for the intermittent updates composed of previously-released bug fixes -- but the moniker remains alive among IT professionals. Service packs marked milestones in each Windows edition's lifetime, and the first was considered the most important because it represented a more stable build from which the biggest bugs had been expunged. Many swore to await Service Pack 1, or SP1, in a new Windows release before daring to migrate from a predecessor. The initial release, the rule of thumb went, was too risky to roll onto corporate PCs.

Enterprises view 1607 as analogous to a Windows 10 SP1, in part because of its timing: Like many SP1 releases, this week's upgrade went live a year after the original.

"Enterprises used 1511 for testing," said Kleynhans about the November 2015 upgrade. "But 1607 will be what they roll out."

The reasons go beyond habit, however.

Microsoft discarded decades of practice when it accelerated development and release schedules for Windows 10, promising regular updates and upgrades to refresh what it's called its last operating system, rather than wait three or more years before debuting new features. But that tempo required new rules, particularly for support: Microsoft did not want to be handcuffed to older code.

For most corporate PCs, the former 10 years of support shrank to 12-18 months, the span between the designation of a version as ready for the "Current Branch for Business" (CBB) track and the appearance of that version's second successor on the CBB.

1607 just hit the "Current Branch" (CB) the track designed for consumers -- and designed to use consumers as testers -- but won't be okayed for the CBB until some future date, most likely four months from now, or in late 2016.

(Microsoft's one CBB designation since last year's launch of Windows 10 was in mid-April, when, five months after 1511 appeared on the CB, the same code was approved for enterprises.)

The once seemingly-rigid cadence of Windows 10 releases -- three a year, each separated by about four months -- has collapsed, so it will be difficult to forecast exactly how long 1607 will be supported. Microsoft intends to release two upgrades in 2017, with 1607 the only one for 2016.


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