Oracle 远程服务连接不上

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Instance "orcl",status UNKNOWN,has 1 handler(s) for this service...



An error was encountered performing the requested operation:

IO Error: The Network Adapter could not establish the connection

Vendor code 17002


解决:最后发现是防火墙没有永久关闭,坑啊!
原文链接:https://www.f2er.com/oracle/206888.html

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