SQL Server 复制需要有实际的服务器名称才能连接到服务器

if serverproperty('servername') > @@servername
begin
declare @server sysname
set @server = @@servername
exec sp_dropserver @server = @server
set @server = cast(serverproperty('servername') as sysname)
exec sp_addserver @server = @server , @local = 'LOCAL'
end