Cloud Solutions in Dunwoody, Georgia

Cloud Services for Dunwoody, GA Businesses: Microsoft 365, Azure, and Secure Tenant Management from COMNEXIA

Dunwoody businesses along Perimeter Center Parkway and the Hammond Drive corridor sit inside one of metro Atlanta's densest commercial zones, sharing office parks with financial firms, healthcare groups, and auto dealerships that all depend on reliable, secure cloud infrastructure. COMNEXIA, headquartered in Roswell, GA since 1991, provides cloud migration, Microsoft 365 administration, and Azure-based infrastructure management to organizations in Dunwoody, DeKalb County, and across the Atlanta metro. This is not a reseller arrangement. COMNEXIA engineers configure, secure, and monitor every tenant we manage.

What "Cloud" Actually Means for a Dunwoody Business

Cloud migration without a security plan is a liability, not an upgrade. When COMNEXIA onboards a Dunwoody client to Microsoft 365, the first deliverable is a hardened identity layer, not just email. That means enabling Microsoft Entra ID (formerly Azure AD) with conditional access policies that enforce multi-factor authentication, block legacy authentication protocols, and restrict sign-ins to compliant devices before a single mailbox goes live. Skipping this step is the single most common reason small and mid-size businesses suffer account takeover after moving to Exchange Online.

From there, Microsoft Intune device management is enrolled so that every Windows endpoint connecting to SharePoint, OneDrive, or Teams meets a documented compliance baseline before it receives access tokens. Device configuration profiles in Intune push BitLocker encryption, disable USB mass storage where appropriate, and enforce screen-lock policies, all managed from a single admin center rather than group policy scripts that break on the next Windows feature update.

Staged Tenant Migration: How COMNEXIA Runs the Cutover

A rushed mailbox cutover is a productivity outage. COMNEXIA follows a staged migration process with defined gates at each phase:

• Discovery and inventory: We document every shared mailbox, distribution group, legacy on-premises resource, and third-party integration (for example, a dealership's CDK Global or Reynolds and Reynolds DMS connector) before touching production.
• Pilot migration: A subset of five to ten mailboxes, including at least one power user, migrates first. We validate MX record propagation, autodiscover, and calendar free/busy lookups before expanding scope.
• Conditional access gates: Entra ID conditional access policies are staged in report-only mode during the pilot, reviewed for false positives, then switched to enforce mode before the full cutover window.
• DNS cutover: MX, SPF, DKIM, and DMARC records are updated in a coordinated window, minimizing mail-flow gaps. We verify DMARC is set to at minimum p=quarantine post-cutover to block spoofing of the client's domain.
• Post-migration validation: SharePoint document libraries, OneDrive sync clients, and Teams channel structures are confirmed working before the legacy server is decommissioned.

Cloud Security for Auto Dealerships: FTC Safeguards and Microsoft 365

Auto dealerships in the Dunwoody and Perimeter area operating under CDK Global, Reynolds and Reynolds, or Dealertrack DMS platforms have a specific compliance obligation: the FTC Safeguards Rule, which as of June 2023 requires dealerships to maintain a written information security program, implement access controls, encrypt customer data in transit and at rest, and monitor for unauthorized access. Microsoft 365 and Azure, configured correctly, satisfy several of those technical requirements directly. COMNEXIA maps Entra ID conditional access logs, Intune compliance reports, and Microsoft Purview audit logs to the Safeguards Rule's monitoring and access control requirements, then documents that mapping in the monthly reporting package delivered to each dealership's designated Qualified Individual.

Dealerships also need to account for how their DMS connects to cloud-hosted resources. COMNEXIA reviews CDK or Reynolds and Reynolds integration points during discovery to ensure that API credentials and service accounts follow least-privilege principles and are not stored in plain text within shared SharePoint libraries or OneDrive folders.

Ongoing Management: RMM, Patching, and Monthly Reporting

Cloud administration is not a one-time project. COMNEXIA manages Microsoft 365 tenants continuously through NinjaOne for endpoint patch management, ensuring that Windows endpoints touching Exchange Online and SharePoint receive security updates within documented patch cycles. Help-desk tickets are tracked in a centralized ticketing system so that every Microsoft 365 support request, whether a user locked out by a conditional access policy or a OneDrive sync conflict, has a documented resolution trail. Each month, clients receive a reporting package covering patch compliance rates, Entra ID sign-in anomalies, Intune device compliance status, and any Microsoft Secure Score changes from the prior period.

Serving Dunwoody from Roswell, GA for 35 Years

COMNEXIA's Roswell headquarters is less than 20 miles from Dunwoody's Perimeter Center business district, and our engineers have supported Atlanta-area businesses since 1991. That tenure means we have managed cloud migrations across multiple generations of Microsoft platforms, from on-premises Exchange to Office 365 to the current Microsoft 365 and Azure architecture, without the institutional memory gaps that affect younger MSPs.

If your Dunwoody business is running an aging on-premises mail server, unsecured OneDrive sharing, or a Microsoft 365 tenant that was provisioned without Entra ID conditional access, call COMNEXIA at (877) 600-6550 to schedule a tenant security review. We will document exactly what is misconfigured and what a remediation project requires before you commit to anything.