---
sourceDocument: Australia IT Service Management
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/it-service-management

 Release :

    - australia

ft:locale :

    - en-US

ft:publication_title :

    - Australia IT Service Management

ft:clusterId :

    - itsm

bundleId :

    - itsm

workflow :

    - Technology


---

# Reactivate escalation engine

# Reactivate escalation engine {#ariaid-title1}

Release version: Australia  
Updated March 12, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Escalation engine is replaced with 2011 SLA Engine.

## Before you begin

Role required: admin

## About this task

ServiceNow Express used the legacy Escalation Engine to process
SLAs. If for any reason a customer who has upgraded from ServiceNow Express to ServiceNow
Enterprise wants to reactivate the Escalation engine, they can follow the steps
below.

## Procedure

1. Navigate to sys_properties.list.
2. Update the property com.snc.sla.run_old_sla_engine to <kbd class="ph userinput">true</kbd>.  
   Note:  
   ServiceNow
   recommends using the 2011 SLA Engine.