Zerto offers 2 Maintenance and Support contract options: Standard and Premium.

Standard:
- Support Window: Mo-Fr 9AM -5PM (Office Hours)
- Target Response Time: Severity 1 = 4 hours, Severity 2 = 1 business day, Severity 3 = 3 business days, Severity 4 = 5 business days
- Support Requests: Unlimited
- Priority Queing: No

Premium:
- Support Window: 24 x 7 x 365
- Target Response Time: Severity 1 = 1 hour, Severity 2 = 5 hours, Severity 3 = 1 business day, Severity 4 = 3 business days
- Support Requests: Unlimited
- Priority Queing: Yes