Question

How can I programmatically change IIS application pools’ settings and properties (for example: the Enable 32-Bit Applications setting)?

Are there reference guides on properties for IIS 6 or 7 on MSDN or Technet?

Answer 1

Try this on for size.

DirectoryEntry root = this.GetDirectoryEntry("IIS://" + this.DomainName + "/W3SVC/AppPools");
  if (root == null)
        return null;

List<ApplicationPool> Pools = new List<ApplicationPool>();
...