nbu备份exchange求助!

takiss

nbu6。0备份exchange2000，按照文档进行配置。

如：备份administrator@aa.aa，将administrator的receive as和save as的权限都打开了，然后配置好之后进行备份会报sokect错误

2007-1-19 3:06:10 - begin writing
2007-1-19 3:06:53 - Error bpdm(pid=6064) socket operation failed - 10054 (at child.c.1172)      
2007-1-19 3:06:53 - Error bpdm(pid=6064) unable to perform read from client socket, connection may have been broken
2007-1-19 3:06:55 - Error bpbrm(pid=5696) from client lxhome: ERR - object not found for file system backup: Microsoft Exchange Mailboxes:\administrator
2007-1-19 3:06:57 - Error bpbrm(pid=5696) could not send server status message      
2007-1-19 3:07:08 - end writing; write time: 00:00:58
network read failed(42)

有人知道为什么么？