Case Study

ServiceNow ITSM Integration for Direct Cross-Instance Ticket Synchronization

A direct ServiceNow-to-ServiceNow integration built to replace a sunsetting middleware bridge between a manufacturer’s ServiceNow instance and a group-level ServiceNow fulfillment platform. The integration covers Incident, Change, and Universal Request, backed by a rebuilt master data pipeline and a new error handling and monitoring layer. It replaced the legacy bridge ahead of a hard end of July 2026 sundown deadline.

Business Challenge

• Legacy Remedy-based middleware connecting two ServiceNow instances was scheduled for permanent shutdown at the end of July 2026, requiring a replacement before the deadline to avoid disruption.
• Incident, Change, and Request Fulfillment integrations were only partially implemented or unvalidated, creating significant delivery and production risks.
• The new integration had to reliably process approximately 1,000 incidents, 1,000 orders, and 550 request tasks per day without affecting business operations.
• The project had to support a seamless migration with in-flight ticket continuity while replacing the legacy middleware with direct ServiceNow-to-ServiceNow communication.
• The solution had to be designed, tested, and deployed within an 11–12 week delivery window while aligning with the organization’s parallel Universal Request rollout and fixed cutover schedule.

The objective was to:

• Build a direct ServiceNow-to-ServiceNow REST integration for Incident, Change, and Universal Request, replacing the legacy middleware bridge.
• Implement OAuth 2.0 authentication and secure communication across development, consolidation, and production environments.
• Synchronize master data through SnowMirror/JDBC pipelines with incremental delta updates and fallback mechanisms.
• Ensure seamless bidirectional ticket, journal, and attachment synchronization with correlation IDs and loop-prevention logic.
• Enable a safe production cutover using feature toggles, supporting in-flight tickets through a phased migration and hypercare period.
• Modernize request fulfillment by implementing Universal Request and replacing legacy incident-based service request processing.

Solution

• Built a direct ServiceNow-to-ServiceNow REST integration replacing the legacy middleware.
• Implemented secure OAuth 2.0 authentication across all environments.
• Delivered SnowMirror/JDBC master data synchronization with delta updates.
• Enabled synchronization of Incidents, Changes, Universal Requests, journals, and attachments.
• Implemented SOAP-to-REST modernization and feature-toggle controlled cutover.
• Added centralized error handling, monitoring, and automated retries.
• Supported a phased migration with in-flight ticket continuity and 2-week hypercare.

Key capabilities include:

• Direct ServiceNow-to-ServiceNow REST integration.
• OAuth 2.0 authentication across multiple environments.
• SnowMirror/JDBC master data synchronization with delta updates.
• Bidirectional synchronization of Incidents, Changes, Universal Requests, journals, and attachments.
• SOAP-to-REST refactoring with feature-toggle controlled cutover.
• Centralized error handling, monitoring, and automated retry mechanisms.
• Gliding migration with in-flight ticket continuity and hypercare support.

Business Impact & Value

Operational Impact

• Replaced the legacy middleware before the end-of-life deadline, ensuring uninterrupted ITSM operations.
• Sustained synchronization of approximately 1,000 incidents, 1,000 orders, and 550 request tasks per day.
• Improved integration reliability through centralized monitoring, automated retries, and enhanced error visibility.
• Enabled a seamless production cutover with feature-toggle rollback and in-flight ticket continuity.

End-User Impact

• Maintained uninterrupted service for users submitting incidents, change requests, and service requests.
• Ensured consistent request fulfillment through the new Universal Request model.
• Reduced service disruption during migration with seamless ticket continuity and reliable synchronization.
• Improved overall user experience by enabling stable, secure, and timely request processing.

Summary

Teiva Systems delivered a direct ServiceNow-to-ServiceNow integration that replaced a legacy middleware bridge, ensuring uninterrupted Incident, Change, and Request synchronization. The solution introduced secure OAuth 2.0 authentication, reliable master data synchronization, and a seamless production cutover, enabling continuous ITSM operations without disrupting end users.

Talk with our experts

For USA

Raphael Holdermann

Co-founder & Chief Customer Officer at Teiva Systems USA

Raphael is a client-focused leader known for his big-picture business vision and entrepreneurial acumen, having successfully launched organizations, turned around challenged businesses and rapidly scaled programs for small to large enterprises in the ServiceNow ecosystem.

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Dach region (Germany, Switzerland & Austria)

Kostya Bazanov

Co-Founder & Director at Teiva Systems Germany

Kostya has been developing and extending the business footprint of Teiva Systems in the DACH region. Being a trusted advisor and a ServiceNow solution architect since 2012, he offers reliable and quality business and IT solutions, products, and services to our clients.

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Other countries

Oleksii Konakhovych

Co-Founder & CTO at Teiva Systems

Oleksii working with ServiceNow since 2007 and inspired by the opportunity to build a process design and platform architecture. Oleksii using a years of experience to be a few steps ahead of the challenges. Our customer will have the best result and noticeable improvements in the quality of work.

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