Sockets error 10061 means that the machine refused the connection. This usually means that there is no application listening on the specified port.
If it's happening at the same time every day, I would hazard a guess that there is some kind of scheduled maintenance going on on the database server (perhaps a backup?).
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套接字错误10061意味着机器拒绝连接。这通常意味着没有应用程序正在侦听指定端口。
如果它每天都在同一时间发生，我会冒险猜测数据库服务器上正在进行某种定期维护（也许是备份？）。
Sockets error 10061 means that the machine refused the connection. This usually means that there is no application listening on the specified port.
If it's happening at the same time every day, I would hazard a guess that there is some kind of scheduled maintenance going on on the database server (perhaps a backup?).