Kaseya server installation fails with the following error
System Error  Message: CREATE or ALTER ASSEMBLY for assembly 'KID' with the SAFE or EXTERNAL_ACCESS option failed because the 'clr strict security' option of sp_configure is set to 1. Microsoft recommends that you sign the assembly with a certificate or asymmetric key that has a corresponding login with UNSAFE ASSEMBLY permission. Alternatively, you can trust the assembly using sp_add_trusted_assembly
SQL 2017 introduces new DB Schema security that defaults to on and must be turned off to proceed. The new 'clr strict security' is an advanced option which is hidden by default and can't be reconfigured without showing the advanced options.
Kindly execute the following queries in order:
EXEC sp_configure 'show advanced options' , 1;
Once you execute the above query, run the below query