Data center decommissioning: Guide, best practices and checklist

Data centers are at the heart of business IT operations. This means enterprises invest significantly in maintaining these environments for performance, security, and long-term reliability. However, whether your business is downsizing, modernizing, or moving to another computing model, eventually a data center’s lifecycle comes to an end.

This is where data center decommissioning comes in. In this article, we’ll explain what the data center decommissioning process covers, key best practices, and why taking shortcuts in such a complex process creates serious risks. We also provide a free, step-by-step checklist of the critical tasks involved!

What is data center decommissioning?

Decommissioning a data center is the process of shutting down and dismantling the facility, including hardware, support (such as racks) and technical infrastructure.

It also implies the secure disposal of data, removal and processing of IT hardware and the closing-out of the building or center according to industrial best practices.

What are the components of a data center?

A data center is a facility which houses and powers an enterprise’s IT infrastructure. Data centers normally include physical hardware assets such as:

• Servers
• Networking assets (switches, routers, etc.)
• Storage devices

Data centers also contain the facilities required for the hardware to function, primarily:

• Power supplies
• Climate control measures such as cooling technologies
• Security features
• Redundant systems in case of disruptions

Businesses depend on data centers for data processing, storage, connectivity, transactions, and to deliver services.

Why do businesses decommission their data centers?

Businesses may choose to decommission their data center, or even part of it, for several reasons. This is especially true as virtualization grows increasingly popular and demand for high-performance connectivity rises. Here are a couple of key trends that may motivate businesses to downsize or shut down their data center:

Reason	Explanation
Cloud migrations	As workloads move to the cloud, businesses require less on-premises hardware and therefore less space to store and run it. This can make the current facilities and infrastructure redundant or too expensive to maintain, encouraging businesses to downsize.
Virtualization	Virtualization and workload consolidation also significantly reduce hardware requirements. This can lead to excess hardware capacity, prompting businesses to decommission underused data centers.
Shift to edge computing	Enterprises are increasingly moving towards edge computing for its lower latency and enhanced security. This means reliance on large, centralized data center facilities decreases.

What is the data center decommissioning process?

Dismantling a data center is a multi-step procedure taking into account environmental responsibility, data security, and compliance issues. It requires extensive planning, chains of custody, and efficient execution.

The main steps in a data center decommissioning process include:

Project scope, ownership and approvals

The scope of a project defines the details of the decommission. This covers:

• Whether the shutdown is full-site, partial, or limited to only selected systems or assets.
• Exactly what is set to be decommissioned.
• Who owns what (the business, each infrastructure asset, the facilities, etc.).
• Who must sign off on changes.
• Disaster recovery and rollback plans in case of issues.

Asset inventory and logs

Accurate, comprehensive documentation ensures there are no visibility gaps. This ongoing process makes sure nothing is left behind.

Inventories should verify the function of each device and system, identify services and applications, and map asset dependencies. They should also record details including asset ownership, product serial numbers, and locations.

Logs should register any and all steps taken throughout the decommissioning process. This includes DNS records and configurations, approvals, and certifications. Detailed inventories and logs are critical to demonstrate compliance in future audit trails.

Environmental impact assessment

An environmental impact assessment prior to starting the process can help businesses adapt their strategies to minimize their carbon footprint and comply with environmental regulations.

Key environmental considerations in a data center decommissioning process include:

• E-waste: If decommissioned hardware is not responsibly disposed of or recycled, it can end up in landfill as potentially toxic electronic waste.
• Carbon emissions: Transporting hardware can generate CO2, while disposing of assets instead of recycling or reuse increases demand for new hardware. This in turn contributes to the embodied emissions caused by manufacturing.

Such an assessment also allows businesses to implement methods to mitigate these impacts. Examples of environmentally responsible strategies following decommission include extending the lifecycle of hardware through resale or refurbishment, and using certified IT recyclers to ensure responsible material recovery.

Assessments should include:

• Details of the selected certified electronics recycling company
• Documented waste streams and disposal methods
• Where relevant, reporting on recovered value and sustainability outcomes

Communications

It is important to correctly notify stakeholders, internal teams, vendors, landlords (where relevant), and end-users of the decommissioning plan with ample time in advance.

Companies should also keep their security and legal teams informed, to minimize risk and safeguard compliance.

Back up and migrate data and systems

This step is vital to data integrity and business continuity. After deciding what data to retain, archive, migrate or dispose of, companies should proceed with their established data migration plan. To find out more about this process, check out our step-by-step data center migration guide.

After the migration is complete, teams should verify that the process has been successful before moving onto any shutdowns or removals.

Closing and uninstalling programs and connections

Once all the necessary data and systems have been successfully migrated, teams can close and uninstall all the programs, applications and licenses running on the hardware in a pre-approved order.

Revoking access paths and stopping all services and applications running on the hardware avoids both data corruption and unauthorized usage.

It is also important to ensure that all network connections are shut down and that no data transfers are ongoing at the time of system decommissioning.

Hardware shutdown and removal

The logical order in which this step is performed matters. Power off all hardware assets in the approved sequence, including servers, networking devices, and storage. Once powered off, disconnect and remove the hardware from supporting infrastructure before starting to remove the frameworks.

Removal of support and facilities

Dismantle and remove frameworks and support, such as racks, from the environment. Teams can then shut down and remove the data center facilities, including power and cooling technologies. Again, following the approved sequence, as well as health and safety guidelines, is important here.

Facilities to be dismantled and removed in this step include:

• Server racks
• Cabling
• PDUs/UPS interfaces
• Cooling systems

Packing, labelling and transport

Label and securely pack all equipment and transport it for storage, recycling or elimination. Key considerations for absolute security here include:

1. Serial-number tracking
2. Sealed containers / tamper-evident handling where necessary
3. Named custody handoffs
4. Transport logs
5. Data destruction certificates and hardware recycling certificates

Data destruction

Secure data wiping or destruction, either through software or physical methods, is essential to comply with data protection regulations. This can involve software-based methods or physical destruction of storage media, such as hardware shredding, depending on the asset and level of destruction required.

Verify and document the data destruction process to guarantee effectiveness.

Learn more about data destruction methods.

Hardware recycling and disposal

Hardware should be securely stored while awaiting disposal, refurbishment or processing for recycling. Alternatively, the assets could be transported directly to specialized IT recycling or disposal centers.

• Refurbishment restores usable equipment or components to their original condition for resale.
• IT equipment recycling separates the components and materials of assets to be processed and returned to the circular economy. These include metals, plastics, and glass.
• Responsible disposal eliminates non-recyclable materials without the use of landfills or incineration.

Preparation of the building

Before the building handover, teams should clean and empty the facility for reuse. Alternatively, it may require preparation for complete demolition. The enterprise can then close-out the decommissioning process.

Final documentation and notifications

Completion and archiving of documentation are critical for audit purposes. Relevant documentation includes:

• Data destruction certificates
• Hardware recycling certificates
• Final asset disposition register
• Reporting of recovered value
• Sustainability reporting
• Updated architecture and asset records
• Lessons learned

It is also the moment to communicate completion of the project to investors, end-users and staff.

Why is it critical to properly decommission a data center?

Decommissioning a data center infrastructure is not a process to be taken lightly. Businesses must follow a series of approved procedures to avoid exposing themselves to unnecessary risks and costs.

Some of the core risks of taking shortcuts pertain to:

Reason	Explanation
Security	Neglecting certified data destruction can lead to security breaches, such as accidental data exposure or unauthorized access to sensitive information.
Compliance	Whether through insufficient data security or environmental irresponsibility, regulatory non-compliance consequences can include financial penalties, operational disruption, legal action, and, in extreme cases, imprisonment.
Cost	Damaged hardware during disassembly or transit can imply extra costs, while poor visibility can lead to unaccounted-for assets or stranded licenses and contracts. This creates not only lost revenue opportunities but also leaves the door open to ongoing expenses.
Sustainability	Businesses fall short of their ESG goals and contribute to environmental damage if they do not integrate sustainability measures into their processes. Such damage can include generating e-waste, carbon emissions, and pollution.
Operations	Missed dependencies due to incomplete dependency mapping can cause accidental outages. Meanwhile, failure to complete stop programs running or data transfers before shutdown and disconnection can corrupt important data.

Best practices when decommissioning an enterprise data center

To make sure the process runs smoothly, compliantly and securely, it is in an enterprise’s interest to follow certain decommissioning best practices. Some of Evernex’s top best practice recommendations include:

• Make a step-by-step plan, considering the logical order of system shutdowns and physical removals.
• Perform an environmental impact analysis to minimize impact and reach ESG goals.
• Keep a comprehensive audit trail, including an asset inventory, process log, records and certifications of data destruction and compliant hardware disposal.

Poor asset tracking increases risks by reducing visibility over hardware. This can result in lost or unaccounted-for assets, increasing the likelihood of data exposure, non-compliance, and failed audits.

• Establish and test backup and migration procedures.
• Secure, certified data destruction to avoid security and compliance risks.
• Outsource to a certified IT Asset Disposition provider. Asset recycling and refurbishment support the circular economy.
• Ensure secure transport logistics. Set up a transparent and secure chain of custody to avoid visibility gaps or security risks.
• Train employees involved to minimize the risk of human error.
• Develop and test a disaster recovery plan.

Data center decommissioning checklist

Keep track of your data center decommissioning project with our handy checklist. Tick of the tasks as you go along:

	Step	Done?
1.	Define scope and make a plan	🟩
2.	Asset inventory, assessment and mapping	🟩
3.	Communicate decommissioning	🟩
4.	Log processes and chain of custody	🟩
5.	Back up data if it is to be migrated	🟩
6.	Execute and validate data migration plan	🟩
7.	Stop all services and applications	🟩
8.	Remove access paths, network dependencies, DNS and scheduled jobs	🟩
9.	Uninstall software and licenses	🟩
10.	Ensure secure data destruction. This may take place on or off-site	🟩
11.	Shut down, disconnect and label IT hardware	🟩
12.	Remove the hardware from the center	🟩
13.	Uninstall and remove facilities like power and cooling according to industrial best practices	🟩
14.	Packing, transport and storage if required	🟩
15.	Recycling, resale or elimination of hardware	🟩
16.	Building close-out	🟩
17.	Update all documentation and inform stakeholders of completion.	🟩

Evernex’s data center decommissioning services

Compliantly, efficiently and responsibly dismantling a data center can be a complex and time-consuming project. Sometimes the best option for enterprises is to outsource the hard work to a certified expert.

Evernex is a leading IT services provider specializing in data center infrastructure maintenance, IT asset disposition and recycling, and sustainable solutions for end-of-service life hardware.

Here are some of the key services we offer to assist in your data center decommissioning process:

IT Asset Disposition

Our certified ITAD services guarantee the compliant and secure dismantling, removal, transport and processing of your obsolete hardware.

We also refurbish functional assets and components, recycle usable materials, and responsibly dispose of non-recyclables – 0% landfill, 0% incineration.

Data Disposal

Evernex’s certified, secure data disposal services ensure absolute confidentiality of your sensitive data, as well as total compliance with local, international and industrial security guidelines.

Data center relocation services

If your enterprise is closing down your data center to move to another site, our end-to-end relocation services take care of the whole process, whether it means moving servers between floors or an entire infrastructure across countries.

Buy back

Our buy-back program allows your business to resell its unwanted hardware back to Evernex, turning old assets into a source of revenue and helping to control Total Cost of Ownership.

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