Windows Server & Active Directory Modernization

Modernize identity and server infrastructure without disrupting employees.

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The business problem

Why this matters

Windows Server 2008 and 2012 environments still run critical services in many organizations. They keep running because migration feels risky — and every year they stay, they collect more unpatched vulnerabilities and more undocumented dependencies.

The risk of doing nothing

  • No security updates for the system that authenticates every employee.
  • Former employees keep working accounts because nothing centrally revokes them.
  • Group Policy has accumulated rules nobody can explain.
  • One domain controller is a single point of failure for the whole business.

Our approach

How the work runs

  1. 01

    Audit

    Document domains, controllers, DNS, DHCP, policies, and dependent applications.

  2. 02

    Plan

    Sequence the migration so authentication never stops.

  3. 03

    Migrate

    Stand up new controllers alongside the old, transfer roles, then retire legacy.

  4. 04

    Clean up

    Rationalize policies, groups, and stale accounts; document the result.

Expected business outcomes

What changes after this work

  • Supported, patchable server estate
  • Central control over who can access what
  • Clean onboarding and offboarding
  • Reduced compliance exposure

Frequently asked questions

Questions we are asked first

Will employees need to log in differently?
No. A correctly executed migration is invisible to staff — same accounts, same passwords, same drives.
How long does an Active Directory migration take?
A typical single-site environment takes two to four weeks including audit, migration, and cleanup. Multi-site environments take longer.
Can we move identity to the cloud instead?
Often a hybrid model is the right answer. We assess your applications first — some still require on-premises authentication.

Related solutions

Next step

Book a BoT Cybersecurity & Compliance Readiness Assessment

A structured review of your network, servers, identity, backup, and cloud exposure against the Bank of Tanzania guidelines. You receive a written report: what you have, where the gaps are, and what to close first.