Over the years, I have had my clients try to handle IT issues alone, and it ends up costing them way more time and money then it really needed to. So, think about these two questions before you start to handle a thorny issue.
What is your billing rate per hour?
Are you an expert in the issue you are trying to solve?
If my customer had called me first, I would have saved them a lot time, and remember—time is money. Just because you think you are taking care of an internal issue does not mean there is no cost. I have a couple examples of actual issues from my customers.