Colo-to-colo migration is the most common data center move type in Phoenix. Companies routinely rebalance their colocation footprint — cost changes, capacity constraints, contract terms, mergers and acquisitions, or better-fit facility features all drive facility-to-facility moves. And Phoenix’s dense colocation market makes it easier than most metros: PhoenixNAP, Iron Mountain, CyrusOne, Aligned, Compass, EdgeConneX, and other facilities all sit within a 30-mile radius of each other.

Short physical distance doesn’t mean easy execution. The coordination overhead of running two facilities simultaneously — for anywhere from a weekend to a few weeks depending on migration strategy — is where most colo-to-colo moves get complicated. Here’s the real IT manager’s guide to Phoenix colo-to-colo migration. From a Phoenix commercial moving company that specializes in data center relocation across the Valley.

Why Colo-to-Colo Is Different From Other Data Center Moves

• Two facility operators. Both source and destination colo facilities have their own security procedures, loading dock schedules, freight elevator reservations, escort requirements, and internal politics. Coordinating both is the primary overhead.
• Dual-facility operations during migration. Depending on strategy, you may be running production out of both facilities simultaneously for a period. Real cost implications (double colo fees) and real technical challenges (cross-facility networking).
• Network cutover complexity. New cross-connects at destination need to be provisioned, tested, and cut over. Timing matters — cut too early and traffic is lost; cut too late and downtime extends.
• Similar physical distance. Most Phoenix colo-to-colo moves are within 30 miles. Distance isn’t the challenge — coordination is.
• Different building infrastructure. Even same-metro colos have different power delivery, cooling capacity, cage/cabinet layouts, and cross-connect availability. What worked at the source may not fit at the destination without redesign.
• Legal and contractual overhead. Old colo contract wind-down + new colo contract activation + potentially overlap periods. Legal team involvement is real.

The Three Colo-to-Colo Migration Strategies

Strategy 1: Physical Lift-and-Shift

• How it works: Physically move existing racks from source facility to destination facility. Same servers, same storage, same network gear — just at a new location.
• Downtime: Real. Whatever it takes to shut down, transport, install, and power up.
• Cost: Lowest total (no new hardware needed).
• Risk profile: Physical damage risk during transport, single-window cutover.
• When to use: Non-critical workloads, extended downtime windows acceptable, budget constrained, existing hardware still in useful life.

Strategy 2: New-Hardware Migration with Replication

• How it works: Provision new hardware at destination facility. Replicate data from source to destination over cross-facility network. When ready, cut traffic over. Old hardware is decommissioned or repurposed after.
• Downtime: Minimal — often measured in minutes during the actual cutover.
• Cost: Highest total (new hardware + parallel colo fees during migration period).
• Risk profile: Lowest — parallel operation means you can rollback easily if something breaks.
• When to use: Business-critical workloads, near-zero downtime tolerance, hardware refresh cycle aligns anyway, budget available.

Strategy 3: Hybrid Approach

• How it works: Mix of strategies per workload. Critical systems migrate via new-hardware replication; non-critical systems physically move. Sometimes cloud burst for specific workloads during migration.
• Downtime: Varies per workload.
• Cost: Moderate — new hardware for critical only.
• Risk profile: Balanced.
• When to use: Most enterprise data centers — real workload portfolios rarely match a single strategy.

Most Phoenix colo-to-colo migrations end up hybrid. Our 90-day data center move planning playbook walks through the strategy-selection process in detail.

Coordinating Two Colo Facilities

• Source facility offboarding. Contract wind-down, cage/cabinet vacate schedule, cross-connect disconnection procedures, hand-back cleanup requirements, security debadging.
• Destination facility onboarding. New cage/cabinet allocation, power delivery activation, cross-connect provisioning, security badging for personnel, initial equipment install schedule.
• Concurrent access. Personnel need access to BOTH facilities during migration. Badge cards, escort arrangements, off-hours access.
• Loading dock scheduling. Coordinating truck arrival at source pickup with destination delivery — one moving vehicle typically services both same day for same-metro moves.
• Facility operations calendar sync. Both facilities have their own maintenance windows, restricted-access periods, and events. Migration schedule needs to avoid conflict with either.

Network Cutover: The Critical Component

Network cutover is the single highest-risk component of most colo-to-colo migrations. Real considerations:

• Cross-connects at destination. Provisioned and tested BEFORE migration day. Cross-connects have real lead times (2–4 weeks common) and their own testing requirements.
• WAN and internet transit. New carriers or new circuits may be needed. Coordination with ISPs typically has multi-week lead time.
• DNS TTL preparation. Reduce TTLs weeks before cutover so DNS changes propagate quickly. Standard 24-hour TTLs are too long for a real cutover.
• Load balancer configuration. Cross-facility load balancing during migration period may be part of your strategy.
• Firewall rules. Every rule referencing source-facility IPs needs to be updated for destination.
• VPN endpoints. Vendor and remote-worker VPN configurations affected by facility change.
• External integrations. Payment processors, monitoring services, CDN configurations, any third-party integrations that whitelist your IPs.

Network cutover deserves its own project plan, its own risk assessment, and its own rollback strategy. Most colo-to-colo failures are network cutover failures, not physical move failures.

Same-Metro Phoenix Advantages

Phoenix’s dense colo market makes colo-to-colo moves easier than in most metros:

• Short physical distance. Most Phoenix colo-to-colo moves are under 30 miles. Transport is a few-hour drive.
• Cross-facility connectivity. Same-metro cross-connects (facility-to-facility fiber) are often available through carrier-neutral providers. Enables replication strategies that would be too slow across metros.
• Personnel drive time. Same-day access to both facilities for IT team is realistic in Phoenix — not always possible for cross-metro or cross-country moves.
• Shared vendor ecosystem. Data center specialists working in Phoenix work at all major facilities regularly. Familiar with each facility’s specific procedures.
• Timezone alignment. No timezone challenges when coordinating source and destination facility operations.

The Uptime Institute maintains industry standards for data center operations across facilities.

The Dual-Facility Cost Period

Depending on strategy, colo-to-colo migrations often include a dual-facility cost period — running both facilities simultaneously during migration. Budget realities:

• Lift-and-shift: Minimal overlap (days). Source wind-down happens shortly after destination stabilization.
• New-hardware replication: Weeks to months of overlap. You’re paying full colo fees at both facilities during data replication and verification periods.
• Hybrid: Overlap timing varies by workload.

Dual-facility cost is often the second-biggest budget line item after the physical move itself. Budget planning should include realistic overlap estimates. Our post on what drives Phoenix data center move cost covers the pricing factors in detail.

Common Colo-to-Colo Failure Modes

• Insufficient cross-connect lead time. “We can order it 2 weeks before migration” — usually not enough. Provider lead times run 3–6 weeks for standard cross-connects.
• Missed DNS TTL preparation. Standard 24-hour TTLs on migration day = 24-hour tail on cutover.
• Underestimated firewall rule migration. Every rule referencing source IPs needs update. Miss one and something breaks post-cutover.
• Third-party integration whitelists. Payment processors, monitoring, CDN — every third-party service with your IP whitelist needs to know about the move.
• Physical damage during transport. Standard commercial mover instead of data center specialist. Damaged equipment discovered post-move.
• Facility coordination failure. Loading dock double-booked, elevator unavailable, escort not scheduled. Delays multiply.
• Insufficient rollback plan. Something breaks post-cutover, no clear path to revert to source facility.

Related Nonstop Data Center Content

• 90-day IT manager’s data center move planning playbook
• Server rack and cabinet relocation — what actually happens on move day
• Data center mover vs. commercial mover buyer’s guide
• What drives the cost of a Phoenix data center move

Ready to Plan Your Phoenix Colo-to-Colo Migration?

If you’re planning a Phoenix colo-to-colo migration, Nonstop Moving handles the full physical relocation scope plus coordination with both source and destination facilities. Data center-specific insurance, chain of custody documentation, anti-static handling, air-ride climate-controlled transport, and proven working relationships with all the major Phoenix colo operators.

Our Phoenix data center relocation service is built for this work specifically. Request a walk-through and we’ll come out, review both facilities, and put together a real migration proposal.