Only question threads (not discussion threads) can have answers. You have to be an OP/Asker, Answerer (Editor), Moderator, Administrator, or Owner to mark and unmark an answer. The OP (Original Poster) cannot propose answers.
Anybody other than the OP can propose an answer. More than one post can be the answer to a thread.
Answering questions is the most important task in a forum. If a forum has a high rate of answered questions, it encourages people to ask. If questions are being marked as answered, then it encourages people to answer questions (for the satisfaction, for Recognition
Points, for the stats, and marks toward Achievement medals). If helpful responses receive votes as being helpful, then the community is more likely to answer with helpful responses. That is why people might be made Moderators or Answerers. Answering is much
more needed than other moderating tasks. See The
Different Roles in MSDN and TechNet Forums.
When a thread contains a post that is the correct answer, moderators need to ensure that the
correct post is marked as the answer. The best possible scenario is the following:
The original poster (OP) asks a question
A community member responds to the post with an answer
The original poster marks the response (see Figure 1).
1: Original Poster Marking an Answer
Personal request: If you see any process or other body of detailed, helpful information that you or someone else writes that you think deserves to be written out in a Library somewhere, then please
use the information to create a new TechNet Wiki article (www.technet.com/wiki). That way we can leverage the knowledge into a Library/Help-like wiki format and
give back to the community in another way that’s super helpful. For example, we created this tag for tracking all Wiki articles that originated from forums:
“From Forum” tag on TechNet Wiki.
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Moderating Microsoft Forums.