You deploy a mobile messaging solution with the Microsoft Exchange Server 2003 server. The IIS logs on the Exchange Server 2003 server show an excessive number of 401 errors. You need to reduce the number of 401 errors identified in the logs. What should you do？（）
- A、A
- B、B
- C、C
- D、D
正确答案:B
答案解析:有
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