Elop did, Nokia engineering not so much.
Our culture was pretty much anti-MS before he came on board.
On the server side we were using HP-UX, Perl, C++, in 2005 the transition for Red-Hat Linux and Java started.
On the devices, Symbian and the Maemo (Linux based).
Symbian was finally getting usable with PIPS, Qt and Eclipse based Carbide.
I happened to be in Espoo the week after this memo was published, I haven't found anyone that agreed with it.
Everyone thought the community would never jump of joy with Microsoft technologies, and right they were.