Change Risk Assessment Value (RAV) Calculator
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0
Article Number :
KB0018388
Published on :
2020-11-09
Last modified :
2020-11-09 21:01:23
Knowledge Base :
ServiceNow - Public Self Help
Risk level for a Change is calculated using the pre-defined Risk Assessment Value (RAV) Calculator. The RAV is calculated using the following Risk Assessment questions:
| Question | Possible Answers | Weight |
| Outage Scope/Complexity | Complete service outage or high complexity involving coordinating activity of multiple services, groups or vendors. Service down during maintenance window. | 8 |
| Partial service outage / degradation or moderate complexity involving coordinating activity of multiple services, groups or vendors. Likely to experience loss of functionality or capacity during maintenance window. | 4 | |
| Minor service outage / degradation or low complexity involving coordinating activity of single services or groups. Likely to experience short loss of functionality or capacity during maintenance window. | 2 | |
| No service outage / degradation or redundancy available. | 1 | |
| N/A - Not applicable. | 0 | |
| Locations or # Customers Impacted | Enterprise or >2500 customers | 8 |
| Region or 1000 - 2499 customers | 4 | |
| Multiple locations or 250 - 999 customers | 2 | |
| Single location or 1 - 249 customers | 1 | |
| N/A - Not applicable. | 0 | |
| Business Impact | Very high impact or visibility for campus. Will impact downstream systems. | 8 |
| High impact or visibility for affected customers. Likely to affect downstream systems. | 3 | |
| Medium impact or visibility for affected customers. Not likely to affect downstream services. | 2 | |
| Low impact or visibility for affected customers. Not likely to affect downstream services. | 1 | |
| N/A - Not applicable. | 0 | |
| Backout / Rollback Plan | Unable to back out change or requires a complete system restore if implementation fails. Will or likely to require additional downtime outside maintenance window to restore service. | 8 |
| Challenging level of difficulty to backout or backout not desired due to dependencies on data and other systems regardless of level of documentation available. Likely to require additional downtime outside maintenance window complete backout plan. | 4 | |
| Moderate level of difficulty to backout due to dependencies on data and other system or inadequate documentation. Likely able to complete backout within the maintenance window. | 2 | |
| Routine level of difficulty to backout. Adequate documentation and similar backout has been performed in the past. Able to complete backout within the maintenance window. | 1 | |
| N/A - Not applicable. | 0 | |
| Experience with Change | No experience with this type of change or unable to fully test the change. No previous changes of this type successfully completed. | 9 |
| Limited experience or success in making this type of change or unable to fully test the change. Few previous changes of this type successfully completed. | 4 | |
| Moderate experience with this type of change or the ability to partially test the change. Most previous changes of this type successfully completed. | 2 | |
| Extensive experience with this type of change or ability to fully test the change. Previous changes of this type successfully completed. | 1 | |
| N/A - Not applicable. | 0 |
The total risk level for the Change is calculated based on your responses to these questions. Risk level is assigned according to these criteria:
| Total Risk Points | Risk Level | Change Type and Review Level |
| 0 | 5 - None | Standard Change Eligible - No CAB |
| 1 | 4 - Low | Standard Change Eligible - No CAB |
| 20 | 3 - Medium | Normal Change - CAB |
| 25 | 2 - High | Normal Change - CAB |
| 35 | 1 - Very High | Normal Change - CAB + ITS AVP |
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