If I turn off the board then all pages will give the standard message. Except the bd widget pages. These will force guests to login or register. But once they try that they will see the standard message.
Just tried it and the sorry text showed up. Strange. When you said "But once they try that they will see the standard message." you meant user can submit the login form but then it shows the sorry text?
I use these addons: https://xenforo.com/community/resources/zend-redis-cache.3965/ Unmaintained - Zend Redis Cache This add-on packages Cm_Cache_Backend_Redis and Credis with a little glue-code to provide a Zend Cache for Redis. For best performance, install the php extension: phpredis Troubleshooting Please... xenforo.com https://xenforo.com/community/resources/redis-view-counters.4366/ Unmaintained - Redis View Counters Moves some view counters to use Redis-based increment counters rather than scratch tables in MySQL. Redis provides atomic get & del when pushing view counts totals into the database. Note... xenforo.com