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[Database] [oracle case] the system before the ora-12514 was poisoned because the Firewall was not enabled ...... After the system is re-installed, get a comprehensive anti-virus software-MAC (good effect, that is, it will not be used) and ESS. However, when connecting to the database, the ora-12514tns listener is currently unable to identify the service error requested in the connection descriptor,

[Database] [oracle case] the system before the ora-12514 was poisoned because the Firewall was not enabled ...... After the system is re-installed, get a comprehensive anti-virus software-MAC (good effect, that is, it will not be used) and ESS. However, when connecting to the database, the ora-12514 tns Listener does not currently recognize the service error requested in the connection descriptor,

[Database] [oracle case] ora-12514

The previous system was poisoned because the Firewall was not enabled ...... After the system is re-installed, get a comprehensive anti-virus software-MAC (good effect, that is, it will not be used) and ESS. However, when the database is connected, the ora-12514 tns listener cannot identify the request service error in the connection descriptor, And the listener. ora, tnsnames ....

Firewall database network anti-virus software server

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