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Migration

11 articles

· 3 min read

SharePoint 2016 and 2019 lost support on July 14

Two versions, one date, and the farm still runs. Find the farms, name an owner per farm, then pick a destination per farm instead of per estate.

#sharepoint#eol#inventory

· 2 min read

WebForms, and the right order to retire it

There is no lift for WebForms, only a sequence. Which pages move first, what the grid becomes, and the trap in rewriting the whole UI at once.

#migration#dotnet#webforms

· 2 min read

Datacenter exit with a deadline

The lease ends on a date. The estate moves or it pays. Sequencing a forced exit so the date does the deciding for you.

#migration#datacenter#deadlines

· 2 min read

WCF to modern .NET, in the right order

The WCF estate can be moved. There is a wrong order to do it in, and most teams pick it. The sequence that works, current as of .NET 10.

#migration#dotnet#wcf

· 2 min read

The rollback plan that got used

A war story with the serial numbers filed off. What a real rollback at hour four of a migration window teaches about writing the plan.

#migration#rollback#war-story

· 2 min read

Lift and shift, and the regrets thereof

Moving servers unchanged into the cloud is sometimes right and usually regretted. The three regrets, and the narrow case where lifting wins anyway.

#migration#cloud#cost

· 1 min read

The freeze that wasn't

A change freeze is a promise everyone makes and one team keeps. War story, then the enforcement checklist.

#cutover#change-control

· 2 min read

Parallel running without tears

Run old and new side by side, compare everything, believe the diffs. The discipline that removes drama from cutovers, and its three costs.

#migration#parallel-run#verification

· 2 min read

The cutover checklist

The list we tape to the wall the week a workload changes homes. Twenty-two items, each one purchased with somebody's bad weekend.

#migration#cutover#checklists