ERP migration
Field-level mapping, validation, and rollback between VAIL-ERP and Odoo ERP. We move data and schema; workflows are rebuilt natively in Odoo ERP.
VAIL-ERP
Source
Odoo ERP
Destination
Compatibility
9 of 12
objects map 1:1 between VAIL-ERP and Odoo ERP.
Complexity
BStandard
Timeline
6-10 weeks
Overview
VAIL-ERP and Odoo ERP have fundamentally different architectures. VAIL-ERP stores patient demographics, clinical encounters, HR profiles, supplier records, inventory items, and financial transactions in a single modular database with no public API, requiring direct database extracts or manual CSV exports through the admin portal. Odoo separates these into independent applications — a base Contacts app for patients and suppliers, a Medical app for encounters, HR for employees, Inventory for stock items, and Accounting for financial transactions — connected through foreign-key relationships that must be established during migration. We resolve the healthcare-to-multi-app split by mapping patient records to both Odoo medical module partners and contact records, preserving encounter-to-patient linkage via Odoo's medical encounter model. Custom fields, supplier pricing agreements, and department cost-center hierarchies migrate with value-level mapping. We do not migrate automations, workflows, or reports as code; we deliver a written inventory of every automation requiring rebuild in Odoo Studio or Workflow.
Every standard and custom field arrives verified.
AI proposes the map; you confirm before any record moves.
Parent–child, lookups, and ownership stay linked.
Calls, emails, meetings — with original timestamps.
Documents, uploads, and inline notes move with the record.
Why teams make this switch
Leaving
What's pushing teams away
Choosing
What's pulling them in
Object mapping
Each row shows how a VAIL-ERP object lands in Odoo ERP, including any object-level transformations, lookup resolution, or schema-design dependencies.
Typical mapping — final map is confirmed during the sample migration step.
VAIL-ERP
Patient
Odoo ERP
Medical Patient + Contact
1:manyVAIL-ERP patient records contain demographics, insurance details, referral sources, and clinical flags in a single module. We split this into an Odoo medical module patient record (holding clinical identifiers, insurance codes, and encounter history) and an Odoo Contact record of type person (holding name, address, phone, and email). The patient record and contact record are linked via the Odoo medical partner link. Insurance number, referral source, and clinical flags from VAIL-ERP become custom fields on the Odoo medical patient model. We use the VAIL-ERP patient identifier as the external reference on the Odoo record for audit continuity.
VAIL-ERP
Encounter
Odoo ERP
Medical Encounter
1:1VAIL-ERP clinical encounters are linked to patient records with encounter type codes, provider assignments, and timestamps. We map encounter records to Odoo medical.encounter, preserving encounter date, type (inpatient/outpatient/emergency), and provider assignment. Encounter-to-patient linkage is maintained by resolving the VAIL-ERP patient foreign key to the corresponding Odoo medical.patient record during import. Encounter-level notes and diagnoses migrate as encounter description fields.
VAIL-ERP
Employee
Odoo ERP
Employee
1:1VAIL-ERP HR module stores employee profiles with job titles, department assignments, compensation history, and effective-dated changes. We map employee records to Odoo hr.employee, resolving department names to Odoo hr.department IDs and mapping manager assignments by matching employee names or identifiers. Compensation history and effective-dated changes migrate as employee contract records in Odoo HR. Any inactive VAIL-ERP employees are imported as archived Odoo employee records pending admin review.
VAIL-ERP
Supplier
Odoo ERP
Contact (company type) + Vendor Pricelist
1:1VAIL-ERP supplier records carry contact details, agreed pricing, and contract references from the procurement module. We map supplier records to Odoo res.partner with supplier checkbox enabled, creating associated purchase.pricelist records for agreed pricing agreements. Supplier contact details (address, phone, email, website) migrate directly. Contract references and pricing terms migrate as notes or custom fields on the partner record. If VAIL-ERP maintains separate supplier and vendor contacts, both map to res.partner with the appropriate supplier or vendor flag.
VAIL-ERP
Inventory Item
Odoo ERP
Product + Stock Quant
1:1VAIL-ERP inventory items include part numbers, descriptions, stock levels, reorder points, and location assignments across multi-site deployments. We map item records to Odoo product.product (or product.template for single-variant items), with stock levels imported as stock.quant records across the configured Odoo warehouses. Part number from VAIL-ERP maps to product.default_code; description maps to product.name. Multi-site stock locations in VAIL-ERP map to Odoo stock.location records within the configured warehouse structure. Reorder point and preferred vendor migrate to Odoo product routes and vendor Pricelist entries.
VAIL-ERP
Financial Transactions
Odoo ERP
Account Move
1:1VAIL-ERP AP/AR ledgers and journal entries are stored in the finance module with account codes, transaction dates, and amounts. We map open AP and AR items to Odoo account.move records in draft state so that the Odoo accounting team can post them after validating the chart of accounts mapping. Closed or historical journal entries migrate as locked account.move records to preserve audit history. VAIL-ERP invoice and payment records map to Odoo account.move with move_type set to entry, out_invoice, in_invoice, out_payment, or in_payment based on the VAIL-ERP transaction type.
VAIL-ERP
Custom Fields
Odoo ERP
Custom Fields (multiple Odoo models)
lossyVAIL-ERP custom fields for healthcare-specific attributes like insurance codes, referral sources, and clinical flags are created per-organization without a schema export. We enumerate all active custom fields by reviewing a representative sample of records during the discovery phase, then create corresponding custom fields in Odoo using developer mode or a custom module. Field types are mapped explicitly: VAIL-ERP text fields become Odoo char or text fields, date fields become date fields, numeric fields become float or monetary depending on context. Any custom fields discovered after the import mapping is finalized require a re-run of the affected module's import.
VAIL-ERP
Documents
Odoo ERP
IrAttachment
1:1VAIL-ERP attaches documents to patients, encounters, suppliers, and HR records. We export document metadata (file name, file type, attached entity type, attached entity ID, and attachment date) alongside the binary files themselves, then reattach them to the corresponding Odoo records (medical.patient, medical.encounter, res.partner, hr.employee) via Odoo's ir.attachment model. Document content migrates as binary blobs; we do not migrate document versioning history. The customer's Odoo document management configuration determines the final storage location (database or file system).
VAIL-ERP
Department
Odoo ERP
Department
1:1VAIL-ERP department and cost-center records are used across HR, finance, and inventory modules. We map department records to Odoo hr.department, establishing the department hierarchy by resolving parent-department references during import. The VAIL-ERP cost-center identifier maps to a custom field on hr.department so that it can be used in Odoo accounting cost-center reporting. Department records are imported first as reference data because downstream foreign-key references in employee, product, and financial transaction imports depend on the resolved department IDs.
VAIL-ERP
Users
Odoo ERP
Res Users
1:1VAIL-ERP user accounts carry role assignments tied to module access. We map user records to Odoo res.users, preserving login email and name. Role assignments in VAIL-ERP do not map directly to Odoo's security groups because the permission models are structurally different; we document the VAIL-ERP role structure in a role-mapping table for the customer's Odoo admin to configure Groups and access rights in Odoo after migration. Any VAIL-ERP user marked as inactive maps to an inactive Odoo user record pending admin deactivation.
VAIL-ERP
Chart of Accounts
Odoo ERP
Account
lossyVAIL-ERP chart of accounts defines the financial structure used by all transaction entries. We extract the full account list including account code, name, type (asset, liability, equity, income, expense), and active status, then map it to Odoo's account.account model. Account type mapping is critical: VAIL-ERP receivable accounts map to Odoo type receivable, payable accounts map to payable, and so on. Inactive or archived VAIL-ERP accounts are flagged in the mapping output. The chart of accounts must be configured in Odoo and validated before any financial transaction import begins, because account.move lines reference account.account records by ID.
VAIL-ERP
Tax Codes
Odoo ERP
Account Tax
1:1Tax codes in VAIL-ERP apply to financial transactions and inventory items with rate, jurisdiction, and applicability flags. We map tax code definitions to Odoo account.tax records, setting tax_type (sale/purchase), amount_type (percent/fixed), and amount. Tax jurisdiction flags from VAIL-ERP map to Odoo's tax scope and tax_exigibility settings. Any tax codes actively used in open financial transactions are flagged in the mapping output and validated before transaction import. Inactive or superseded tax codes in VAIL-ERP are imported as archived Odoo tax records.
| VAIL-ERP | Odoo ERP | Compatibility | |
|---|---|---|---|
| Patient | Medical Patient + Contact1:many | Fully supported | |
| Encounter | Medical Encounter1:1 | Fully supported | |
| Employee | Employee1:1 | Fully supported | |
| Supplier | Contact (company type) + Vendor Pricelist1:1 | Fully supported | |
| Inventory Item | Product + Stock Quant1:1 | Fully supported | |
| Financial Transactions | Account Move1:1 | Mapping required | |
| Custom Fields | Custom Fields (multiple Odoo models)lossy | Mapping required | |
| Documents | IrAttachment1:1 | Mapping required | |
| Department | Department1:1 | Fully supported | |
| Users | Res Users1:1 | Mapping required | |
| Chart of Accounts | Accountlossy | Mapping required | |
| Tax Codes | Account Tax1:1 | Mapping required |
Gotchas + challenges
Platform-specific issues from each side, plus the pair-specific challenges that don't show up on either platform's page on its own.
VAIL-ERP gotchas
No publicly documented API for programmatic data export
Module-specific custom fields lack a published schema reference
Direct database access requires Velosi cooperation
Odoo ERP gotchas
No rollback for CSV imports
External ID conflicts on re-import
Many2many field encoding in CSV imports
Large export timeouts require batching
Version schema drift between Odoo releases
Pair-specific challenges
Migration approach
Discovery and data extraction coordination
We audit all active VAIL-ERP modules (Patients, Encounters, Employees, Suppliers, Inventory, Finance, Departments, Users) and their record volumes. We identify all custom fields by reviewing a representative sample of records from each module. In parallel, we coordinate with Velosi to obtain a read-only database export or structured CSV package for each module. The discovery output is a written migration scope document, a custom field inventory, a data extraction agreement confirmed with Velosi, and a go/no-go on the extraction method. This step is gated on Velosi providing the data package; we build contingency time into the schedule for delayed extraction.
Odoo configuration and healthcare module setup
We install and configure the relevant Odoo applications based on the VAIL-ERP module inventory: base Contacts, Medical (if patient and encounter data is in scope), HR, Purchase, Inventory, and Accounting. We configure the chart of accounts and tax codes using the VAIL-ERP export as the source, set up departments and the department hierarchy in HR, and create product categories and warehouse structures matching the VAIL-ERP inventory organization. We create custom fields on the appropriate Odoo models based on the discovered VAIL-ERP custom field inventory. This work happens in an Odoo sandbox environment before production migration begins.
Sandbox migration and reconciliation
We run a full migration into an Odoo sandbox using production-equivalent data volume from the VAIL-ERP export. The customer's team spot-checks records in Odoo against the VAIL-ERP source, verifies the healthcare module split (patient vs. contact, encounter linkage), confirms department and supplier resolution, and validates chart of accounts mapping for a sample of financial transactions. We reconcile record counts for each object and resolve any mapping errors before production migration begins. This step is the last opportunity to correct the object mapping without impacting the live VAIL-ERP system.
Production migration in dependency order
We run production migration in record-dependency order: reference data first (departments, chart of accounts, tax codes), then master records (contacts and medical patients split, employees, suppliers and vendor price lists, products and stock quants), then transactional data (account moves for open AP/AR items), then attachments (ir.attachment records linked to the resolved parent IDs). Each phase emits a row-count reconciliation report before the next phase begins. We pause between phases if error rates exceed the agreed threshold for review.
Cutover, delta sync, and automation handoff
We freeze write access to VAIL-ERP during cutover, run a final delta migration of any records created or modified during the migration window, then confirm Odoo as the system of record. We deliver the automation and workflow inventory document to the customer's Odoo admin: every automation pattern in VAIL-ERP is documented with its trigger, conditions, and recommended Odoo Workflow equivalent. We do not rebuild VAIL-ERP automations as Odoo server actions or automated actions inside the migration scope; that is a separate engagement for the customer's Odoo admin or a certified Odoo partner. We provide a one-week hypercare window for reconciliation issues raised by the operational team.
Platform deep dives
VAIL-ERP
Source
Strengths
Weaknesses
Odoo ERP
Destination
Strengths
Weaknesses
Complexity grading
Standard ERP migration. 1 of 8 objects need a mapping; the rest are 1:1.
Overall complexity
Standard migration
Derived from compatibility, mapping clarity, API constraints, and data volume across VAIL-ERP and Odoo ERP.
Object compatibility
1 of 8 objects need a mapping; the rest are 1:1.
Field mapping clarity
Field mapping is derived from defaults — final spec confirmed during the sample migration.
Timeline complexity
8-object category — typical timelines run 2–7 days end-to-end.
API constraints
VAIL-ERP: Not publicly documented — typical SaaS limits assumed and confirmed during scoping..
Data volume sensitivity
VAIL-ERP doesn't expose a bulk API — REST + parallelization used for high-volume runs.
Estimator
Rule-based pricing — no per-record fees, no manual quotes. Migrations over 2M records are scoped individually.
Step 1
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