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There are two possible sources for this error:
1) If the error is happening all the time and you cannot access your forums, it is possible your vBulletin configuration is wrong. This could include:
a) The db info in your config.php file is wrong.
b) The db user in config.php doesn't have permission to access the database listed in config.php.
c) The database doesn't exist.
2) If your forums do work sometimes and the error is intermittent, then the issue is server-related. Some possibilities are:
a) MySQL isn't accepting new connections. (The server could either be down, rebooting or cannot find the socket.).
b) The server reached the MySQL max_connections (server-wide) or max_user_connections (account-based) limit specified in my.in (or my.cnf for Windows.) Note, many servers are being probed for the phpBB worm and other exploits these days and the MySQL server is being overloaded. This could account for these errors.
c) The server itself could have a high load due to any number of factors not relating to MySQL. This could include massive influx of spam emails (which happened on my forums.) One thing to watch for is the server load at the time of the 'false, connect failed' error.
The server related issues can only be resolved on the server level so you should contact your host if they continue. However there is one vB setting that may help alleviate the issues in 2b but this may not be enough to stop the error completely. That setting is for 'persistent connections' in your config.php file. Edit config.php to turn this off to see if that helps.
1) If the error is happening all the time and you cannot access your forums, it is possible your vBulletin configuration is wrong. This could include:
a) The db info in your config.php file is wrong.
b) The db user in config.php doesn't have permission to access the database listed in config.php.
c) The database doesn't exist.
2) If your forums do work sometimes and the error is intermittent, then the issue is server-related. Some possibilities are:
a) MySQL isn't accepting new connections. (The server could either be down, rebooting or cannot find the socket.).
b) The server reached the MySQL max_connections (server-wide) or max_user_connections (account-based) limit specified in my.in (or my.cnf for Windows.) Note, many servers are being probed for the phpBB worm and other exploits these days and the MySQL server is being overloaded. This could account for these errors.
c) The server itself could have a high load due to any number of factors not relating to MySQL. This could include massive influx of spam emails (which happened on my forums.) One thing to watch for is the server load at the time of the 'false, connect failed' error.
The server related issues can only be resolved on the server level so you should contact your host if they continue. However there is one vB setting that may help alleviate the issues in 2b but this may not be enough to stop the error completely. That setting is for 'persistent connections' in your config.php file. Edit config.php to turn this off to see if that helps.
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