serverproperty('servername') 和 @@servername 返回的值Server name 不同

--将两者协调一致，再重启 SQL Server 服务
if serverproperty(‘servername‘)<>@@servername  
begin  
    declare @server sysname  
    set @server= @@servername   
    exec sys.sp_dropserver @server = @server
    set @server  = cast(serverproperty(‘servername‘) as sysname)  
    exec sys.sp_addserver @server = @server ,@local = ‘LOCAL‘  
end

use master
go

select name ,@@servername,serverproperty(‘servername‘)
from sys.servers
where server_id=0    --Local Server ID = 0 
go