Governance is something that should be at the top of the list for any SharePoint implementation (no matter how small). The following are some checklists/whitepapers/etc. provided by Microsoft that can get you started.
More fun SharePoint errors in the system log. If you’re seeing 10016/17 errors in the Event Log and want to resolve them, perform the steps outlined in KB920783.
Note that these errors are more of a nuisance than anything. The existence of these errors is expected and will not impact the functionality of your farm. That being said, less errors being generated is a “good thing” in my mind.
This one is a little old, but still relevant. If you’ve ever struggled with trying to convey what SharePoint is to your users, refer them to this video.
Ah yes, the people picker again. I recently inherited an environment where the previous administrator was kind enough to not document anything, especially the items he/she had been playing with in development.
When trying to designate a user as a Primary Site Collection Administrator in Central Administration, I was unable to query for subsets of domain users on a single web application. After checking all of the usual suspects (Peoplepicker-searchadforests I’m looking at you) with no success, it was off to the not-so-usual suspects.
It turns out the previous admin was kind enough to set the Peoplepicker-searchadcustomfilter property on the main portal site collection. After setting the property to null