Shulou(Shulou.com)06/02 Report--

At more than 9 o'clock last night, a colleague who worked overtime at work found this problem. I logged on to the mail server and took a look. There was nothing unusual. It happened that he could also contact the IT of the headquarters. I just had some permissions and could not see a lot of things. I felt that the strength of the headquarters was not a problem at all.

This morning, when I went to work, I still found the same problem. My God, it turned out that foreigners had been looking for the cause of the client, so I began to investigate.

First, I tested the network status of the mail server, no problem.

DNS parsing is also true, these two points prove that communication from the client to the server is normal, but the server just does not respond, the problem must lie in the server.

Open the service and see, my God, the Microsoft Exchange RPC client service stopped unexpectedly, this service is started automatically by default, that buddy restarted the server without checking whether the service is normal or not, always looking for reasons in the client, in the wrong direction.

I started that service, and then OK, but with so many connections at the same time, this server went through a DOS × ×.

This problem is very simple, why this problem is directly related to IT management, in a non-standardized management system, the work depends entirely on the experience of the engineer, if this person's brain goes the wrong way, nothing can be solved.

In the future, I will publish some articles about IT management. Now the managers selected by many units decide their heads by their buttocks, not their heads. How to do things, must be given to professionals to do, do not have learned three-legged cat are on the stage, a bunch of people who do not understand anything to determine the company's IT structure, the final results will be very miserable.

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