Default mail program is not configured
I came across an issue recently where someone was trying to email a document from a program and getting an error that a default mail program is not configured or that the mail program was unable to handle the request.
Enabling Failed Request Tracing
Occasionally I get questions on how to troubleshoot intermittent issues in IIS. One example is an intermittent 500 status code and another example is a slow page load. In IIS7 and later there is a simple module that you can install as part of IIS called Failed Request Tracing (FREB).
Which application pool is it?
If you are running multiple web sites on your IIS web server you will eventually need to know which worker process is associated with a particular application pool. It may be for baseline information or troubleshooting but at one point or another you will need to cross reference an application pool to a w3wp worker process.
Orchard Memory Usage
I recently spent some time working with some coworkers to track down an Orchard performance issue. We found it was caused by some memory restrictions on the application pool. I wrote about it on another blog site where I am also a guest blogger.
Track down the source of SQL Injection
A SQL Injection attack is a malicious technique used to attack databases through a website. It adds portions of SQL statements into the URL from a page that accepts user input. The attack is successful when there are vulnerabilities in a website where user input is not filtered and validated.