Utilize the input text as a context reference, choose the right relationship between Windows Server and Microsoft from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

So can you discuss the progress Microsoft is having migrating its existing Windows Server and SQL Server installed base to Azure?

Answer: developer