International Criminal Court Migrates from Microsoft to German Open-Source Solution

Author: Mark Schröder
Source: Criminal Court Wants to Move Away from Microsoft
Publication Date: October 30, 2025
Summary Reading Time: 3 minutes

Executive Summary

The International Criminal Court in The Hague is facing the complete migration of all 1,800 workstations from Microsoft Office to the German open-source platform Opendesk. This strategic decision follows the account suspension of Chief Prosecutor Karim Khan and in light of threatening US sanctions. Action Recommendation: Organizations with critical international relations should evaluate their dependency on US tech giants and examine alternative, sovereign IT solutions.

Critical Key Questions

  • How severely does dependence on US technology corporations endanger the operational capability of international organizations and state institutions?
  • What impact does the trend toward digital sovereignty have on the market position of established software giants like Microsoft?
  • Can European open-source alternatives achieve the functionality and user-friendliness of American market leaders in the long term?

Core Theme & Context

The International Criminal Court is responding to geopolitical IT risks through a complete replacement of Microsoft Office. The trigger was the Chief Prosecutor's account suspension as part of US sanctions against the court due to investigations against Benjamin Netanyahu.

Key Facts & Figures

  • 1,800 workstations will be migrated to the German open-source solution "Opendesk"
  • Zendis (Center for Digital Sovereignty) is owned by the German federal administration
  • 160,000 installations are planned to be reached in German administration by year-end
  • Schleswig-Holstein is already migrating 25,000 IT workstations to the Zendis solution
  • Robert Koch Institute (1,500 employees) is already successfully using Opendesk
  • Eight European software manufacturers form the basis of the Opendesk platform

Stakeholders & Affected Parties

Primarily affected:

  • International justice organizations
  • European government institutions
  • German federal administration and state administrations

Industry relevance:

  • Enterprise software providers
  • Cloud computing sector
  • Cybersecurity and digital sovereignty

Opportunities & Risks

Opportunities

  • Political independence from US technology corporations
  • Promotion of European IT competence and innovation
  • Cost reduction in licenses possible long-term

Risks

  • Short-term costly and inefficient according to IT manager
  • Compatibility gaps must be closed during usage
  • Productivity losses during transition phase

Scenario Analysis: Future Perspectives

Short-term (1 year)

Accelerated migration of critical institutions away from US software due to geopolitical tensions. Increased demand for European alternatives, but also adaptation difficulties with complex workflows.

Medium-term (5 years)

Establishment of a European software ecosystem for agencies and international organizations. Microsoft could respond with adapted compliance models or European data centers. Consolidation among open-source providers likely.

Long-term (10-20 years)

Fragmentation of the global software market along geopolitical lines. Europe possibly develops a completely autonomous digital infrastructure. Technological sovereignty becomes a decisive location factor for international organizations.

Action Relevance

Immediate measures:

  • Assessment of own dependency on US cloud services
  • Examination of European alternatives for critical business processes

Strategic considerations:

  • Integration of digital sovereignty into IT strategy
  • Risk management for geopolitical IT sanctions

Bibliography

Primary source:

Supplementary sources:

Verification Status: ✅ Facts verified on October 30, 2025