Yes, that would do it. Very old threads are moved to the "archives" where they are locked for everyone. This keeps people from replying to threads that are so old they're no longer relevant. By the way, if anyone ever has an "archived" thread that needs to come back to life (like an old build thread that you want to continue) just contact me.
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Same message if you're looking through the FAQ threads. You can reply to an existing FAQ thread, but not start one without checking with me first. It just keeps the FAQ section from being flooded with things that aren't actually FAQs.
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