Solve the strange broken line trip of Outlook

The previous two days, the same thing reflected outlook has been in the state. It was estimated that the other side's outlook was offline, so that it was not checked for "offline work," but the colleague's response was still not receiving and sending the message.

The specific situation is as follows:

1, Outlook has been repeatedly trying to connect, but the result is "disconnected state", it can not be adjusted to the "wired" state.

PS: After testing to confirm that the network is normal, you can resolve the Exchange Server domain name

2, decided to reconfigure the Outlook e-mail, there are new problems:

PS: Unable to connect to the Exchange server, prompting Outlook must be in the status of the connection. Is Outlook always offline?

3, did not find the reason, so Google, in the middle of this fix outlook.

PS: After the repair, Outlook still can't connect, that depressed ...

4, Google has results, the hint is RPC problem.

PS:A, start checking system service--RPC Service--the result is normal.