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Moodle error database connection failed – How we fix it

Receiving an error ‘Moodle error database connection failed’ while installing moodle? We can help you fix it.

This error normally occurs due to various reasons which include database server down, PHP installation, improper settings in the configuration file and many more.

At Bobcares, we receive requests on fixing moodle errors as a part of our Server Management Services.

Today, let’s know the different reasons for this moodle database error to occur and see how our Support Engineers fix it.

 

Why moodle fails to connect to the database?

We have many customers who use moodle. And few of them have come across this error message while installing the moodle.

However, there are many different reasons for this error to occur.

This includes the database server to be not working, missing PHP, error in the database settings in the config.php file.

Also, if the MySQL version is incompatible with the PHP version then this error will occur.

Here is a screenshot of the error message that appears in the moodle.

moodle error database connection failed

Now, let’s see how our Support Engineers fix this error

 

How we fix moodle error database connection failed?

Recently, one of our customers approached us with the below moodle error:

Error: Database connection failed

Our Support Engineers started troubleshooting this error by checking the database in the account.

We checked the MySQL availability using the command :

$telnet database_host_name 3306

As a result, we got to know that MySQL is up and working well.

We then checked the database settings which is set in the configuration file config.php using the commands

cd /var/www/html/moodle

vi config.php

We could find that the database set in the file was having a spelling mistake in it. So we set it with the right one.

And finally, this fixed the error.

 

[Need further assistance with moodle errors? – We’ll help you]

 

Conclusion

In short, the moodle error database connection failed is caused due to many reasons which include database server down, PHP installation, improper settings in the configuration file and many more. Today, we saw how our Support Engineers fix this error.


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