备份可以正常工作，但 Exchange 旧日志文件未被删除

适用场景

适用于Microsoft Exchange的SnapCenter插件(SCE)

问题描述

• 某些邮箱数据库的Exchange日志并不总是被截断
• 任何Exchange DAG 节点的Windows事件查看器中可能出现的错误：

Volume Shadow Copy Service error: Unexpected error querying for the IVssWriterCallback interface.  hr = 0x80070005, 
Access is denied. This is often caused by incorrect security settings in either the writer or requestor process.

The Microsoft Exchange Mailbox Replication service was unable to process a request due to an unexpected error.
Request GUID: '<GUID_a>' 
Database GUID: '<GUID_b>'
Error: Database '<GUID_c>' doesn't exist.

Information Store - <MB_Name> (10000) <MB_Name>: No log files can be truncated.  
For more information, click http://www.microsoft.com/contentredirect.asp.