1. What is VPN/PPTP?
PPTP is a secure tunnel for transporting IP traffic using PPP. PPTP encapsulates PPP in virtual lines that run over IP. PPTP incorporates PPP and MPPE (Microsoft Point to Point Encryption) to make encrypted links.
2. Enable VPN Server on MikroTik Router
PPP => Interface
3. Create pool for VPN
IP => Pool
4. EDIT OR ADD NEW VPN PROFILE
ppp => Profiles
5. CREATE VPN ACCOUNT
PPP => Secrets
Resource:
http://wiki.mikrotik.com/wiki/Manual:Interface/PPTP