Subdomains are not being created when users sign up

I have done hours of research on forums and I have contacted my hosting provider and have not figured out a solution. I purchased a reseller hosting from GoDaddy which comes with a dedicated IP and my server is being controlled by cPanel. I created the wildcard subdomain *.example.com and the A name DNS record seems to be correct. I consulted with a couple different people at GoDaddy before purchasing the reseller hosting and all said that it should work. I'm starting to think that the problem may have something to do with WHMCS plugins. I deactivated the WHMCS plugins but it still is not working. Please let me know if the WHMCS edits files which may cause this problem or if I am just totally missing something here. This is my first time using cPanel and multisite...