Disconnect from WIFI@OU and forget the network.
Open Keychain Access, which should be under the Applications --> Utilities folders.
Within Keychain Access, select login under Keychains and Certificates under Category
You are looking for the certificate named access.ou.edu
![Keychain access window Keychain access window](https://itsupport.ou.edu/TDPortal/Images/Viewer?fileName=66609c48-cab2-4037-a7c3-18e17f3274ac.png)
Right click access.ou.edu and select Delete
Reconnect to WIFI@OU
You should receive prompts asking for your OUNet ID and password and to verify the certificate