EPC Group Logo
G2 Leader Awards - Business Intelligence Consulting
BlogContact
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌

EPC Group

Enterprise Microsoft consulting with 28+ years serving Fortune 500 companies.

(888) 381-9725
contact@epcgroup.net
4900 Woodway Drive - Suite 830
Houston, TX 77056

Follow Us

Solutions

  • All Services
  • Microsoft 365
  • AI Governance
  • Migrations
  • Microsoft Copilot
  • Dynamics 365
  • Teams vs Slack

Power BI

  • Dashboard Guide
  • Gateway Setup
  • Premium Features
  • Lookup Functions
  • Power Pivot vs BI
  • Treemaps Guide
  • Dataverse

Company

  • About Us
  • Case Studies
  • Blog
  • Resources
  • Contact

Microsoft Teams

  • Teams Questions
  • Teams Healthcare
  • Task Management
  • PSTN Calling
  • Enable Dial Pad

Azure & SharePoint

  • Azure Databricks
  • Azure DevOps
  • Azure Synapse
  • SharePoint MySites
  • SharePoint ECM
  • SharePoint vs M-Files

Comparisons

  • M365 vs Google
  • Databricks vs Dataproc
  • Dynamics vs SAP
  • Intune vs SCCM
  • Power BI vs MicroStrategy

Legal

  • Sitemap
  • Privacy Policy
  • Terms
  • Cookies

© 2026 EPC Group. All rights reserved.

‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
‌
HomeCase StudiesU.S. Federal Agency
Back to Case Studies
GovernmentMigrations

Federal Agency SharePoint Migration

30,000 Users & 15M Documents - FedRAMP High

U.S. Federal Agency
14 months
18 consultants
30,000
Users Migrated
15M
Documents
FedRAMP
High Certified
35%
Cost Reduction
100%
Security Compliant
ATO
Maintained

Overview

A U.S. federal agency required migration of 30,000 employees and 15 million documents from on-premises SharePoint 2010 to SharePoint Online while meeting stringent FedRAMP High security requirements. The project involved classified data, complex security clearance requirements, and strict government oversight.

The Challenge

The federal migration presented exceptional security and compliance challenges:

  • FedRAMP High authorization requirements for all data and systems
  • SharePoint 2010 environment requiring significant metadata remediation
  • Classified and sensitive but unclassified (SBU) data requiring special handling
  • Complex permission structures with security clearance-based access
  • Required Authority to Operate (ATO) throughout migration process
  • Congressional oversight and public transparency requirements

Our Solution

EPC Group executed a FedRAMP-compliant migration with enhanced security controls:

1

Phase 1: FedRAMP Authorization

Completed FedRAMP High authorization package and obtained provisional ATO from sponsoring agency.

2

Phase 2: Security Hardening

Implemented enhanced security controls including MFA, DLP policies, and advanced threat protection.

3

Phase 3: Content Assessment

Analyzed 15M documents for metadata quality, security classification, and migration readiness.

4

Phase 4: Phased Migration

Executed division-by-division migrations with security validation and user acceptance testing.

5

Phase 5: ATO Renewal

Renewed Authority to Operate for production environment and decommissioned legacy systems.

Results & Impact

30,000
Users Migrated
All federal employees successfully moved
15M
Documents
Complete content migration
FedRAMP
High Certified
Highest security authorization
35%
Cost Reduction
Annual infrastructure savings
100%
Security Compliant
Zero security violations
ATO
Maintained
Continuous authorization throughout
"Meeting FedRAMP High requirements during a major migration seemed impossible. EPC Group made it happen on schedule and under budget while maintaining our security posture."
Deputy CIO
U.S. Federal Agency

Quick Facts

Client
U.S. Federal Agency
Industry
Government
Service
Migrations
Duration
14 months
Team Size
18 consultants

Technologies Used

SharePoint OnlineAzure ADMicrosoft DefenderAzure Information ProtectionShareGatePowerShell

Share This Study


Request Full Case Study

Related Case Studies

SharePoint

Major Healthcare Network SharePoint Migration

Multi-State Healthcare System

Power BI

State Government Power BI Analytics Platform

State Government Agency

Ready to Achieve Similar Results?

Let's discuss how EPC Group can help transform your Migrations environment.

Schedule a Consultation