使用vSphere Client登录vCenter Server 6.0时可能会出现如下报错信息：
Login to the query service failed.
The server could not interpret the communication from the client. (The remote server returned an error: (500) Internal Server Error.)
这是因为在登录vSphere Client时勾选了”Use Windows session credentials“。试试取消它。
相关知识库链接：Searching the Inventory with the vSphere Client fails (2143566)