1. Get-SPOTenantLogEntry 并不能获取所有的Log信息，只能用于获取因外部资源而出错的log信息，比如 BCS错误，详情请见此页；
The Get-SPOTenantLogEntry cmdlet cannot retrieve all SharePoint Online errors. This cmdlet retrieves a subset of errors that happen due to external systems. For Beta 2, the only company logs available are for Business Connectivity Services (BCS).
2.
Office 365 - Windows PowerShell for SharePoint Online
原文：http://www.cnblogs.com/qijiage/p/5249790.html