GCD is now an approved reseller of Microsoft GCC/GCC High and as always one of the best migrators in the market, we have completed over 500 migrations, mostly with DoD, and we continue to assist in the complexities of NIST 800-171 and CMMC.

If you’re considering migrating to Microsoft GCC High to comply with DoD requirements, feel free to reach out to us and we can walk you through the process.

About Microsoft GCC & GCC High for DoD Contractors

The Office 365 GCC High and DoD environments deliver compliance with Department of Defense Security Requirements Guidelines, Defense Federal Acquisition Regulations Supplement (DFARS), and International Traffic in Arms Regulations (ITAR).Office 365 Government plans are monthly subscriptions and can be licensed to an unlimited number of users.

GCD recommends a Pre-staged Cutover Migration approach which replicates the existing environment to the new GCC/GCC High space and only during a designated Cutover window will services be moved into GCC/GCC High. Although We can adapt other options or strategies based on Microsoft recommendations and Compliance.

This provides verification of all migrated data to the satisfaction of our customers prior to any business impact occurring during a cutover weekend.


  • Tenant to Tenant (Commercial to GCC/GCC High) to include:
    • Exchange Online
    • SharePoint Online
    • MS Teams
    • OneDrive
  • On-prem Exchange to GCC/GCC High.
  • On-prem SharePoint to GCC/GCC High.
  • Google Workspace (formally GSuite) to GCC/GCC High (Email, Drive, etc.).
  • Legacy POP/IMAP email to GCC/GCC High Dedicated “Enclave” in GCC/GCC High.
  • Can be scoped to a select user base within your organization.
  • Secure Email with a dedicated new email domain.
  • Secure SharePoint & OneDrive in GCC/GCC Highworkspace within GCC/GCC High without.
  • The need to perform compliance hardening.
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