Corporate Messaging

By azaghly , 4 March 2026
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Building a Secure and Scalable Messaging Foundation for 15,000 Users

Building a Secure and Scalable Messaging Foundation for 15,000 Users

Success Story Body
Description

Teal supported the modernization of a large-scale corporate messaging environment serving over 15,000 users. The initiative upgraded a legacy Exchange infrastructure to a future-ready, secure, and highly available messaging platform, ensuring operational continuity, strengthening the organization’s security posture, and improving the end-user experience.

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Delivering a modern, secure, and always-on messaging experience at scale
Description

Modernize the corporate messaging environment for 15,000 users by upgrading from Exchange 2016 to Exchange Server SE, strengthening security and compliance, improving reliability and performance, reducing operational complexity through automation, and ensuring high availability and data protection to support long-term business continuity.

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Objective
Key Metrics Items
Value
10%
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reduction
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in incidents
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50%
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reduction
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in critical incidents
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99%
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messaging
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uptime achieved
Value
100%
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accuracy in data
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replication and zero data loss
Value
100%
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of security attacks
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successfully blocked
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Our Solution
Solutions Cards
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High-availability 

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Exchange Server SE deployment with optimized storage.

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AI
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Seamless 

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migration from Exchange 2016 with minimal user impact.

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Enhanced 

Subtitle

security, compliance, and email protection.

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Processes
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Robust 

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monitoring, backup, and failover for business continuity.

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Team
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Knowledge 

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transfer and operational documentation for IT teams.

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Analyse
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Client Benefits

Benefit Items
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1
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Future-proof

Description

and scalable messaging platform

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2
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Reduced 

Description

operational overhead through automation and simplified administration

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3
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Faster 

Description

and more reliable user access to messaging services

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4
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Strengthened 

Description

business continuity and data protection

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5
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Enhanced

Description

compliance and security governance

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Technologies
technologies
Microsoft Exchange SE
Active Directory ADFS, GPO, AD Connect and Azure
Trend Micro secure Gateway
Cybereason EDR
PKI, ADCS
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Let's discuss how our managed services can bring operational excellence and cost efficiency to your organization.

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Ready to Achieve Similar Results?

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Application & Infrastructure Maintenance
Summary

Modernization of a large-scale corporate messaging environment through the upgrade to a highly available Microsoft Exchange infrastructure, ensuring secure, scalable, and reliable communication services for over 15,000 users.

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Delivering a modern, secure, and always-on messaging experience at scale

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Listing Highlights

10% reduction in incidents across the messaging environment

50% decrease in critical incidents improving service reliability

99% messaging service uptime ensuring continuous availability

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Building a Secure and Scalable Messaging Foundation for  
15,000 Users

Solution Service
Application & Infrastructure Maintenance
Video Listing
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Corporate Messaging