Previously installed sql2012 suddenly out of the evaluation period is over, and not in the configuration tool SQL installation center this one, how should solve

CodePudding user response:

Grab a key to not have to?

In addition, 2012 is not a good version, install a sqlserver2017, 2019 is a good choice.
https://blog.csdn.net/yenange/article/details/78622559