How to solve the problem that Navicat cannot connect to Dameng database

Solve the problem that Navicat cannot connect to Dameng database: Check whether the firewall blocks port 5236 connection. Make sure the Dameng database server is running. Verify that the username and password entered in Navicat are correct. Check if the network connection is normal. Confirm that the correct Dameng database driver has been installed. Verify that the Navicat version is compatible with the Dameng database server version. Compare whether the port configurations of Navicat and the server are consistent. Check whether the Dameng database server configuration allows remote connections.

Solve the problem that Navicat cannot connect to Dameng database

Causes and solutions:

1. Firewall blocks connections:

   • Check whether the firewall prevents Navicat from connecting to the port of the Dream Database server (the default port is 5236).
   • Allows the firewall to pass through this port.

2. The database server is not running:

   • Make sure the Dameng database server is running.
   • Check that the server process or service has been started.

3. Incorrect username or password:

   • Check that the username and password entered in Navicat are correct.
   • Make sure that the username has permission to connect to the database.

4. Network connection issues:

   • Check whether the network connection between Navicat and Dameng database server is normal.
   • Make sure that the server is accessible on the network.

5. Driver not installed correctly:

   • Make sure the correct driver for the Dameng database is installed in Navicat.
   • Follow the instructions provided on the official website of Dameng Database.

6. Server version is incompatible:

   • Check if the Navicat version is compatible with the Dameng database server version.
   • If incompatible, install the Navicat version that matches the server version.

7. The database port is incorrect:

   • Check whether the ports configured by Navicat and Dameng database servers are the same.
   • If it is not the same, modify the port settings in Navicat.

8. Other questions:

   • Check the configuration of the Dameng database server to ensure remote connections are allowed.
   • Contact Dameng Database Technical Support for more help.

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