SQL Server restrictions on the kernel

A: Database: Sqlserver2012 Enterprise Edition
View database server, on-site situation, due to SQL Server licensing restrictions, only use 40 logical CPUs, the scene is 64 logical CPUs, there will be 24 logical CPUs are idle, and SQL Server 2012 Cumulative update patch is not hit, The December patch for cloud products has not been hit.

Please follow the following steps for the corresponding processing:

1) Purchase SQL Server license to eliminate the limit of only 40 logical CPUs (depending on the current load situation, the impact should be small)

2) This CPU frequency is 2.1Ghz, slightly lower than our recommended 2.4Ghz standard, (according to 100% of the CPU display, the basic 0.2-0.3 seconds back to normal, this single CPU instantaneous use of 100% is normal condition)

3) hit the latest cumulative update for Microsoft SQL Server SP3:

https://www.microsoft.com/zh-CN/download/details.aspx?id=50733

4) hit the latest patch on cloud: PT119471

There is no way to see which mode of authorization is granted in SQL. There is also a way to see the select * from Sys.dm_os_schedulers and SQL startup logs as described in the following document.

SELECT * FROM Sys.dm_os_schedulers

https://blogs.msdn.microsoft.com/sql_shep/2012/06/21/sql-server-2012-license-core-limitaion/

SQL Server restrictions on the kernel