Please use Microsoft Exchange Server for this assignment.

Make your AD a certificate server by adding the proper role(s) It must be a Enterprise Root CA Make sure Certificate Authority and Certificate Authority Web Enrollment are added Select the Create A New Private Key option and select the default options for Cryptography, CA Name, Validity Period, and Certifcate Database settings. Continue clicking Next until you have the option to click Install. Click Install. When Active Directory Certifcate Services is installed, click Close. You may have to run this command from an elevated command prompt: Certutil setreg policy\EditFlags +EDITF_ATTRIBUTESUBJECTALTNAME2 Make sure you are using a sha256 encryption. Run this command from an elevated command prompt if needed: certutil -setreg ca\csp\CNGHashAlgorithm SHA256 Restart cert service Make a DNS entry for "mail" to point to exchange server 1 You will request a certificate for mail.xxxxx.xxx (whatever your domain is) from exchange server 1 Fill in the information requested and save the certificate request to a file Open the file in notepad and copy everything You'll need to go to the web interface of the certificate server (http://servername/certsrv) Be sure to ask for a web server certificate Once you have the certificate download the certificate and the chain in install it in your exchange server Make the certificate and DNS is working by going to https://mail.xxxxx.xxx. If you still get the certificate issue you did something wrong Configure OWA to not require the domain name when users sign in Take a screenshot of the DNS entry, a screenshot of the certificate request and that the certificate is installed, a screenshot of the working certificate on the website (as well as the DNS) and a screenshot of the owa not asking for the domain and and the settings you used to do that.