You cannot do an in-place upgrade from Standard or Enterprise Edition to Developer edition. This considered an edition "downgrade".
Convert SQLServer 2014 and 2012 Standard to Developer license
Do you know if there will be any issues while converting sqlserver standard to SQLServer developer edition?
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YufeiShao-msft 7,056 Reputation points
2022-05-24T01:55:20.11+00:00 Hi @Chitra Saha
SQL Server standard edition need license, just money, but developer edition is a free product, you can install it directly.
If you no longer want to use the standard edition, you can backup your database(or you can use any other ways you want to ), detach .mdf files from the standard edition and attach them to the developer editionFor more questions about license, you can consult professionals in this area
For detailed information about the license issue, please call 1-800-426-9400, Monday through Friday, 6:00 A.M. to 6:00 P.M. (Pacific Time) to speak directly to a Microsoft licensing specialist. For international customers, please use the https://www.microsoft.com/en-us/licensing/worldwide to find contact information in your locations. For Volume Licensing Service Support, please use the https://learn.microsoft.com/en-us/licensing/contact-us to contact information for your country.-------------
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