That means there will be some downtime.
The general plan is to disable new posts on the forum, you should still be able to read the archives though.
PMing will not be switched off, but it's possible some PMs sent after 6pm will get lost.
For those interested in the technicalities, we're currently running on a dedicated linux server with 2 x 2.2 GHz CPU and 4 GB RAM.
We'll be moving to a new dedicated server with 8 x 2.1 GHz CPU and 16 GB RAM. That's around 4x increased power.
Although the switchover will only take a few minutes, it takes a few hours for the server's new IP address to propagate throughout the domain name system, hence the downtime.
With luck, the forum should be fully operational again by sometime mid-Saturday. Other parts of the site, however, may take longer to iron out any problems.
We've been testing the new machine the last couple of weeks and it seems to be running well:
