计算机改名导致数据库链接的诡异问题

  前几天给开发部门部署测试数据库时，遇到一个很诡异的问题：创建一个链接服务器GEK-MIS01时，报错如下：

　　　　消息 15190，级别 16，状态 1，过程 sp_dropserver，第 56 行

　　　　仍有对服务器 'GEK-MIS01' 的远程登录或链接登录。

脚本如下(略去登录名等关键信息): 

/****** Object:  LinkedServer [GEK-MIS01]    Script Date: 07/05/2013 16:19:58 ******/
IF  EXISTS (SELECT srv.name FROM sys.servers srv WHERE srv.server_id != 0 AND srv.name = N'GEK-MIS01')EXEC master.dbo.sp_dropserver @server=N'GEK-MIS01', @droplogins='droplogins'
GO

/****** Object:  LinkedServer [GEK-MIS01]    Script Date: 07/05/2013 16:19:58 ******/
EXEC master.dbo.sp_addlinkedserver @server = N'GEK-MIS01', @srvproduct=N'SQL Server'

/* For security reasons the linked server remote logins password is changed with ######## */
EXEC master.dbo.sp_addlinkedsrvlogin @rmtsrvname=N'GEK-MIS01',@useself=N'False',@locallogin=NULL,@rmtuser=N'username',@rmtpassword='*****'

GO

EXEC master.dbo.sp_serveroption @server=N'GEK-MIS01', @optname=N'collation compatible', @optvalue=N'false'
GO

EXEC master.dbo.sp_serveroption @server=N'GEK-MIS01', @optname=N'data access', @optvalue=N'true'
GO

EXEC master.dbo.sp_serveroption @server=N'GEK-MIS01', @optname=N'dist', @optvalue=N'false'
GO

EXEC master.dbo.sp_serveroption @server=N'GEK-MIS01', @optname=N'pub', @optvalue=N'false'
GO

EXEC master.dbo.sp_serveroption @server=N'GEK-MIS01', @optname=N'rpc', @optvalue=N'true'
GO

EXEC master.dbo.sp_serveroption @server=N'GEK-MIS01', @optname=N'rpc out', @optvalue=N'true'
GO

EXEC master.dbo.sp_serveroption @server=N'GEK-MIS01', @optname=N'sub', @optvalue=N'false'
GO

EXEC master.dbo.sp_serveroption @server=N'GEK-MIS01', @optname=N'connect timeout', @optvalue=N'0'
GO

EXEC master.dbo.sp_serveroption @server=N'GEK-MIS01', @optname=N'collation name', @optvalue=null
GO

EXEC master.dbo.sp_serveroption @server=N'GEK-MIS01', @optname=N'lazy schema validation', @optvalue=N'false'
GO

EXEC master.dbo.sp_serveroption @server=N'GEK-MIS01', @optname=N'query timeout', @optvalue=N'0'
GO

EXEC master.dbo.sp_serveroption @server=N'GEK-MIS01', @optname=N'use remote collation', @optvalue=N'false'
GO

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