ERP Support and Maintenance: What UK Businesses Should Know

Implementing an Enterprise Resource Planning (ERP) system is an important step towards connecting business operations. However, the work does not end when the software goes live.

As employees use the ERP for sales, purchasing, finance, inventory and reporting, the system requires ongoing attention to remain reliable, secure and suitable for changing business needs.

Software updates, user support, data backups, integrations and performance monitoring all contribute to the long-term operation of an ERP environment.

ERP support and maintenance help businesses keep their systems operational, resolve technical problems and manage changes after implementation.

For UK organisations using ERP software, this guide explains the different types of support, common maintenance activities, potential costs and how to evaluate an ERP support provider.

What Is ERP Support and Maintenance?

ERP support and maintenance refers to the services and activities required to operate, troubleshoot, update and improve an ERP system throughout its lifecycle.

Although the terms are closely related, they describe different responsibilities.

ERP Support

ERP support focuses on helping users and resolving problems.

Examples include:

• Investigating system errors.

• Helping employees use ERP functionality.

• Resolving access and permission issues.

• Troubleshooting failed workflows.

• Investigating integration problems.

• Supporting users after software updates.

ERP Maintenance

ERP maintenance focuses on the ongoing technical and operational condition of the system.

Examples include:

• Applying supported software updates.

• Reviewing system performance.

• Maintaining integrations.

• Monitoring infrastructure.

• Managing backups.

• Reviewing security controls.

• Testing compatibility with connected applications.

The exact responsibilities depend on the ERP platform, deployment model and support agreement.

Why Is ERP Maintenance Important?

Businesses increasingly depend on ERP software for daily activities.

A technical problem may affect multiple departments if the system connects important processes.

For example, an integration failure could prevent sales orders from reaching inventory management.

A permissions problem might stop employees from completing purchase approvals.

An unsuccessful software update could disrupt a customised workflow.

Appropriate support and maintenance can help businesses identify, manage and reduce these operational risks.

Business Continuity

Maintenance planning supports the organisation's ability to continue essential activities.

Security

Supported updates and appropriate security controls help address known technical risks.

Operational Reliability

Monitoring can help identify recurring failures and performance problems.

Employee Productivity

Effective support reduces the time employees spend dealing with unresolved software issues.

Long-Term Adaptability

Maintenance and improvement activities help the ERP remain aligned with changing business requirements.

Types of ERP Support Services

ERP support may be organised into different levels.

First-Line Support

First-line support handles common user questions and basic troubleshooting.

Typical activities include:

• Password and access assistance.

• Navigation questions.

• Basic transaction errors.

• Initial issue recording.

• Guidance on standard procedures.

Second-Line Support

Second-line support investigates more complex functional or technical problems.

Examples include:

• Workflow configuration issues.

• Data validation problems.

• Reporting errors.

• Integration troubleshooting.

• Application configuration questions.

Third-Line Support

Third-line support usually involves specialist technical investigation or development.

Activities may include:

• Reviewing custom code.

• Investigating application defects.

• Resolving complex integration failures.

• Developing technical corrections.

• Analysing database or infrastructure problems.

The distinction between support levels varies by organisation and provider.

Corrective, Preventive, Adaptive and Perfective ERP Maintenance

ERP maintenance can be divided into four common categories.

Corrective Maintenance

Corrective maintenance addresses faults that affect expected system behaviour.

For example, a purchase order workflow may stop working after a configuration change.

The maintenance team investigates and resolves the issue.

Preventive Maintenance

Preventive maintenance aims to reduce the likelihood of future problems.

Examples include reviewing logs, checking backup processes and identifying unsupported software components.

Adaptive Maintenance

Adaptive maintenance helps the ERP operate when its technical or business environment changes.

For example, an external application may introduce a new API version that requires an integration update.

Perfective Maintenance

Perfective maintenance improves existing functionality, usability or performance.

For example, a business may simplify a frequently used workflow to reduce unnecessary steps.

These categories help organisations distinguish essential fixes from planned improvements.

ERP Software Updates and Version Upgrades

ERP platforms evolve through software updates and new releases.

Updates may introduce security corrections, performance improvements, bug fixes or additional functionality.

However, applying updates without sufficient planning can create operational risks.

Review Release Information

Understand what has changed and whether the update affects existing functionality.

Check Custom Modules

Custom developments may depend on technical components that have changed.

Test Integrations

Connected applications should be tested when updates affect relevant interfaces.

Use a Testing Environment

Where feasible, validate important changes outside the production environment.

Plan Deployment

Schedule changes with consideration for business activity and operational dependencies.

Prepare Recovery Arrangements

Define how problems will be handled if an update does not work as expected.

An ERP upgrade should be treated as a controlled change, not simply a software installation.

ERP Security Maintenance

ERP systems may contain customer information, supplier records, financial data and other commercially sensitive information.

Security maintenance is therefore an important ongoing responsibility.

User Access Reviews

Regularly review permissions and remove access that is no longer required.

Authentication Controls

Apply suitable authentication measures, including multi-factor authentication where supported and appropriate.

Software Patching

Review and apply relevant security updates according to the organisation's risk management procedures.

Integration Security

Protect API credentials and review access granted to connected applications.

Monitoring

Investigate unusual activity, repeated failures and relevant security alerts.

Incident Response

Establish procedures for identifying, reporting and responding to security incidents.

For UK businesses, these activities should form part of a broader information security and data protection approach.

ERP Backups and Disaster Recovery

Backups help organisations recover information after certain failures, accidental changes or security incidents.

However, creating backups is only one part of a recovery strategy.

Backup Frequency

Determine how frequently backups are needed based on operational requirements and acceptable data loss.

Backup Retention

Define how long backup copies should be retained.

Secure Storage

Protect backup information against unauthorised access and inappropriate modification.

Recovery Testing

Periodically test whether backups can be restored successfully.

Recovery Objectives

Two common measures are:

• Recovery Point Objective (RPO): the maximum acceptable period of data loss.

• Recovery Time Objective (RTO): the target time for restoring an affected service.

Responsibility

Clarify whether backups and recovery are managed by the software provider, hosting company, implementation partner or internal IT team.

Cloud hosting does not automatically remove the organisation's responsibility to verify recovery arrangements.

ERP Performance Monitoring

Performance problems can affect employees even when the ERP remains technically available.

Common symptoms include:

• Slow page loading.

• Delayed report generation.

• Long transaction processing times.

• Integration queues building up.

• Timeouts during busy periods.

• Resource-intensive background tasks.

What Should Be Monitored?

Depending on the deployment environment, monitoring may include:

• Application availability.

• Server and database performance.

• Storage capacity.

• Background jobs.

• Integration errors.

• Application logs.

• Response times.

Investigating Slow ERP Performance

The cause may involve infrastructure capacity, inefficient queries, custom code, configuration or external dependencies.

A structured investigation should identify the cause before changes are introduced.

Maintaining ERP Integrations

Many organisations connect ERP software with CRM, e-commerce, warehouse, payment or reporting applications.

These integrations require ongoing maintenance.

API Changes

External providers may modify their interfaces or authentication requirements.

Data Mapping Changes

New fields or revised business rules may affect how information is exchanged.

Failed Synchronisation

Network problems, invalid data or unavailable services can interrupt data transfers.

Duplicate Transactions

Integrations should be designed to handle repeated requests appropriately.

Monitoring and Alerts

Relevant failures should be recorded and brought to the attention of responsible teams.

Example: E-Commerce Integration Failure

A retailer uses an integration to transfer online orders into its ERP.

If the integration stops working, new orders may remain in the e-commerce platform without appearing in the ERP.

An effective support process should identify the failure, investigate its cause and recover affected transactions without creating duplicates.

ERP Support for Finance and Accounting Processes

Finance teams may depend on ERP software for invoicing, accounting records, reporting and financial controls.

Support activities can include:

• Investigating posting errors.

• Reviewing access permissions.

• Troubleshooting reporting problems.

• Supporting configured approval workflows.

• Maintaining relevant integrations.

• Assisting with technical issues affecting financial processes.

For UK businesses, relevant accounting and tax requirements should be considered when changes affect financial functionality.

Where Making Tax Digital obligations apply, organisations should verify that relevant software and integrations remain suitable.

Technical support should work with qualified finance stakeholders when resolving issues that affect accounting treatment or financial reporting.

ERP Support for Inventory and Operations

Inventory and operational teams may depend on ERP data to manage purchasing, stock and fulfilment.

Common support issues include:

• Incorrect stock availability.

• Failed warehouse integrations.

• Product configuration errors.

• Unprocessed stock movements.

• Problems with units of measurement.

• Workflow or permission issues.

Example: Inventory Discrepancy

A business notices that available stock in its ERP differs from physical warehouse quantities.

The support team should investigate possible causes, such as missing transactions, incorrect configuration or integration failures.

The solution should address the underlying cause rather than simply changing the displayed quantity without validation.

ERP Support and Customisation Maintenance

Custom modules and specialised workflows may require additional support.

Unlike standard features, custom developments may have been created for the organisation's specific requirements.

Maintenance responsibilities can include:

• Investigating custom code errors.

• Testing compatibility with new ERP versions.

• Updating integrations.

• Reviewing technical dependencies.

• Maintaining documentation.

• Improving performance.

• Addressing security issues.

Businesses should understand who owns and maintains their custom developments.

Appropriate documentation and access to source code, where contractually applicable, can help reduce dependence on individual developers.

Cloud ERP vs On-Premise ERP Maintenance

The maintenance responsibilities associated with ERP software depend partly on the deployment model.

Businesses should review contractual responsibilities rather than assume that cloud ERP includes every support service.

What Is an ERP Support SLA?

A Service Level Agreement (SLA) defines agreed service commitments between a provider and customer.

An ERP support SLA may address:

• Support availability.

• Contact channels.

• Incident priority levels.

• Initial response targets.

• Resolution or restoration targets, where agreed.

• Escalation procedures.

• Service exclusions.

• Reporting arrangements.

Example: Incident Priorities

These are illustrative categories, not guaranteed service times.

Response Time vs Resolution Time

Response time measures how quickly a support provider acknowledges or begins handling an issue.

Resolution time measures how long it takes to resolve the issue.

The two should not be confused.

An SLA should define the meaning of each commitment clearly.

How Much Does ERP Support and Maintenance Cost?

ERP support costs vary according to the platform, system complexity, deployment model and level of service required.

Factors That Affect Cost

• Number of users.

• ERP modules in use.

• Hosting responsibilities.

• Business operating hours.

• Required support coverage.

• Number of integrations.

• Custom development complexity.

• Monitoring requirements.

• Update and upgrade responsibilities.

Common Support Pricing Models

Fixed monthly support: an agreed recurring fee for defined services.

Time-based support: charges based on actual support or development work.

Prepaid support hours: a defined allocation of support time.

Managed services: an ongoing arrangement covering specified operational responsibilities.

Different providers may combine these approaches.

Evaluate Total Support Costs

Businesses should clarify whether the agreement includes:

• User assistance.

• Incident investigation.

• Software updates.

• Infrastructure monitoring.

• Backup management.

• Custom module maintenance.

• Integration support.

• Major version upgrades.

• New feature development.

A lower monthly fee may exclude activities that the organisation later requires.

In-House ERP Support vs Outsourced Support

Businesses may manage ERP support internally, externally or through a combination of both.

In-House Support

Internal teams may offer strong knowledge of business processes and direct access to employees.

However, specialist technical expertise may be difficult to maintain across every ERP component.

Outsourced ERP Support

An external provider may offer specialised platform knowledge and technical resources.

The organisation should assess response arrangements, documentation and knowledge transfer.

Hybrid Support

A hybrid approach combines internal functional support with external technical expertise.

For example, internal employees may handle basic user questions while a specialist partner manages complex integration or development issues.

The appropriate model depends on operational needs and available resources.

How to Choose an ERP Support Provider

Selecting a support provider requires more than comparing prices.

Platform Expertise

Does the provider understand your ERP software and deployment environment?

Functional Understanding

Can the provider investigate problems affecting your business processes?

Technical Capabilities

Does the team have experience with integrations, customisation and relevant infrastructure?

Support Coverage

Are support hours appropriate for your operations?

Clear Escalation Procedures

How are critical incidents prioritised and escalated?

Documentation

Will issues, changes and technical configurations be documented?

Security Practices

How does the provider manage system access and sensitive information?

Long-Term Maintenance

Can the provider support future updates and business changes?

A suitable provider should offer clearly defined responsibilities and realistic service commitments.

Odoo Support and Maintenance

Businesses using Odoo may require support for configuration, workflows, custom modules, integrations and software updates.

The specific maintenance responsibilities depend on the Odoo edition and hosting arrangement.

Common Odoo Support Activities

• Troubleshooting application issues.

• Reviewing user permissions.

• Maintaining configured workflows.

• Investigating integration failures.

• Testing custom modules.

• Planning supported upgrades.

• Reviewing performance problems.

NaviTrends provides Odoo implementation and customisation services for organisations working with Odoo environments and evaluating technical improvements.

Businesses should confirm the exact support and maintenance services available under any proposed agreement.

ERPNext Support and Maintenance

ERPNext is an open-source ERP platform used for accounting, purchasing, sales, inventory and other operational processes.

Depending on the deployment arrangement, businesses may need assistance with configuration, hosting, integrations, updates and custom applications.

Common ERPNext Support Activities

• Investigating application errors.

• Reviewing workflows and permissions.

• Maintaining integrations.

• Testing custom functionality.

• Planning version updates.

• Reviewing backup and recovery arrangements.

• Troubleshooting performance issues.

NaviTrends offers ERPNext implementation and customisation services for businesses evaluating ERPNext improvements and technical requirements.

The precise scope of any ongoing support arrangement should be agreed before services begin.

ERP Support and Maintenance Checklist

Use this checklist to review your current ERP support arrangements.

Frequently Asked Questions About ERP Support and Maintenance

What is ERP support and maintenance?

ERP support and maintenance covers the activities required to help users, resolve problems, apply updates, maintain integrations and keep an ERP system operational.

Why is ERP maintenance important?

Maintenance helps organisations manage software changes, security risks, performance problems and technical dependencies that can affect business operations.

What is the difference between ERP support and ERP maintenance?

Support generally focuses on user assistance and issue resolution, while maintenance focuses on ongoing system upkeep, updates, monitoring and improvements.

How much does ERP support cost?

Costs depend on the ERP platform, number of users, integrations, support coverage, technical complexity and services included in the agreement.

Does cloud ERP require maintenance?

Yes. Although a cloud provider may manage certain infrastructure or software components, businesses still need to manage users, configuration, integrations, data quality and other responsibilities.

What should an ERP support SLA include?

An SLA should clearly define support availability, incident priorities, response commitments, escalation procedures, exclusions and other agreed service obligations.

How often should ERP software be updated?

The appropriate schedule depends on the platform, security risks, release policies and operational requirements. Important updates should be evaluated and tested through a controlled process.

Can an ERP support provider maintain custom modules?

Potentially, yes. The provider should have suitable technical expertise and access to the documentation and development resources required.

Is outsourced ERP support better than in-house support?

Neither approach is automatically better. Businesses should evaluate their internal capabilities, operational requirements and need for specialist expertise.

How can businesses reduce ERP downtime?

Appropriate monitoring, tested backups, controlled updates, reliable integrations, incident procedures and contingency planning can help reduce operational disruption.

Conclusion: Keep Your ERP Reliable Beyond Implementation

An ERP system is a long-term operational investment.

After implementation, businesses need suitable support arrangements to manage technical issues, maintain integrations, apply updates and adapt to changing requirements.

For UK organisations, a clear maintenance strategy can help protect business continuity and improve confidence in the information and processes supported by the ERP.

The right approach depends on system complexity, deployment responsibilities and available technical resources.

At NaviTrends, we help organisations implement, configure, customise and integrate ERP solutions to support their business operations.

Explore our Odoo implementation and customisation services and ERPNext implementation and customisation services, or contact NaviTrends to discuss your ERP requirements.