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以下代码适合MSSQL2005

if exists(select 1 from sysservers where srvname = '')
begin
exec sp_dropserver '','droplogins'
end
EXEC sp_addlinkedserver @server='', @srvproduct='',  @provider='SQLOLEDB', @datasrc=''
Exec sp_serveroption '','rpc','TRUE'
Exec sp_serveroption '','rpc out','TRUE'
EXEC sp_addlinkedsrvlogin '', 'false',  NULL, '',''
EXEC sp_addlinkedsrvlogin '', 'false',  'sa','',''

 举例：

if exists(select 1 from sysservers where srvname = 'U8S')
begin 
exec sp_dropserver 'U8S','droplogins' 
end 
EXEC sp_addlinkedserver @server='U8S', @srvproduct='',  @provider='SQLOLEDB', @datasrc='(local)'
Exec sp_serveroption 'U8S','rpc','TRUE' 
Exec sp_serveroption 'U8S','rpc out','TRUE' 
EXEC sp_addlinkedsrvlogin 'U8S', 'false',  NULL, 'sa','password'
EXEC sp_addlinkedsrvlogin 'U8S', 'false',  'sa','sa','password'