多谢站长！已解决，最后确定是DC认证问题

谢谢站长，我的出现的故障和blog的不一样，提exchange 2007服务器出现的是

1. event ID 4002   (An unexpected failure has occurred. The problem will require administrator intervention. The service will retry in 56 seconds. Diagnostic information:

Cannot open mailbox /o=Gtechzs/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=EXCHANGE/cn=Microsoft System Attendant.
Microsoft.Exchange.Data.Storage.AccessDeniedException: Cannot open mailbox /o=Gtechzs/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=EXCHANGE/cn=Microsoft System Attendant. ---> Microsoft.Mapi.MapiExceptionNoAccess: MapiExceptionNoAccess: Unable to make connection to the server. (hr=0x80070005, ec=-2147024891)
Diagnostic context:
    ......
    Lid: 16280   dwParam: 0x5        Msg: EEInfo: ComputerName: n/a
    Lid: 8600    dwParam: 0x5        Msg: EEInfo: ProcessID: 1764
    Lid: 12696   dwParam: 0x5        Msg: EEInfo: Generation Time: 2012-05-16 06:50:42:781
    Lid: 10648   dwParam: 0x5        Msg: EEInfo: Generating component: 3
    Lid: 14744   dwParam: 0x5        Msg: EEInfo: Status: -2146893020
    Lid: 9624    dwParam: 0x5        Msg: EEInfo: Detection location: 150
    Lid: 13720   dwParam: 0x5        Msg: EEInfo: Flags: 0
    Lid: 11672   dwParam: 0x5        Msg: EEInfo: NumberOfParameters: )
2. owa 打开出现的是 （您没有打开此邮箱的权限。请与 Exchange 管理员联系，获取访问权限，或了解详细信息。）
3. 用outlook 2007现在也会现不定时的密码认证，重新认证就可以登录

看看这个：

http://blogs.technet.com/b/sjimm ... box-quarantine.aspx

所有用户，到现在还没解决，头都大了

只是一个用户还是所有用户都不能OWa登录？

是不是把这个用户的OWA功能给禁掉了