ERP migration
Field-level mapping, validation, and rollback between WINLine and Epicor Prophet 21. We move data and schema; workflows are rebuilt natively in Epicor Prophet 21.
WINLine
Source
Epicor Prophet 21
Destination
Compatibility
13 of 14
objects map 1:1 between WINLine and Epicor Prophet 21.
Complexity
CModerate
Timeline
6-10 weeks
Overview
Moving from WINLine to Epicor ERP is a structural migration from a file-based SMB platform to a cloud-native manufacturing ERP. WINLine Classic stores data in flat-file formats without a documented REST API, requiring vendor-assisted exports or direct file parsing before any transformation. Epicor ERP expects relational data across Parts, PartWhse, Customer, Supplier, GLAccount, and JobMtl tables, with a REST API that enforces rate limits and requires parent-record lookup resolution before insert. We sequence the migration by extracting WINLine master data and open items, designing the Epicor schema (including User-Defined Fields for any WINLine custom fields), loading in dependency order (Chart of Accounts, then Customers and Vendors, then Inventory and BOMs, then open AP/AR, then fixed assets, then open orders), and reconciling BOM effective dates and production order versions at cutover. Workflows, automations, report definitions, and custom WinLine Classic macros do not migrate; we deliver a written inventory of these for your admin team to rebuild in Epicor Kinetic or Epicor 10.
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 WINLine object lands in Epicor Prophet 21, including any object-level transformations, lookup resolution, or schema-design dependencies.
Typical mapping — final map is confirmed during the sample migration step.
WINLine
Chart of Accounts
Epicor Prophet 21
GLAccount
1:1WINLine stores the G/L account master with account codes, cost center assignments, and tax codes in flat-file format. We parse the account structure and load into Epicor GLAccount, preserving the WINLine account code as Account and the description as GLAccountDesc. Cost center assignments map to Epicor's Segment codes if the customer uses dimensional accounting; we flag this for configuration during schema design. Tax codes map to TaxRegion records in Epicor based on the WINLine tax setup matrix.
WINLine
Customer
Epicor Prophet 21
Customer
1:1WINLine Customer records include billing addresses, payment terms, credit limits, and currency. We extract all active customers and map them to Epicor Customer by Company as the dedupe key. ShipTo addresses migrate as CustomerPriceCorp records linked to the parent Customer. Credit limits and payment terms map to CreditHold, CreditLimit, and Terms records in Epicor. Currency codes from WINLine map to Currency records in Epicor before Customer insert to satisfy the foreign-key constraint.
WINLine
Vendor
Epicor Prophet 21
Supplier
1:1WINLine Vendor master data covers contact details, tax registration, payment terms, and bank account info. We extract vendor records and map them to Epicor Supplier, using VendorName as the dedupe key. Tax registration (ABN in the Australian context) maps to SupplierTaxRegion records. Payment terms and bank details migrate to POOptions and VendorBankAcct records. Any custom vendor classifications from WINLine map to SupplierUOM or a User-Defined Field on Supplier.
WINLine
Open AP / AR
Epicor Prophet 21
APInvoice / ARInvoice
1:1Outstanding invoices, credit memos, and payment records are tracked per customer and vendor in WINLine. We extract open items with invoice numbers, amounts, due dates, and aging buckets and push them as open APInvoice and ARInvoice records in Epicor. Invoice numbers become InvoiceNum; aging bucket values map to aged balances for reconciliation. Any unapplied credit memos load as negative-balance invoices. We set the InvoiceDate to the original WINLine transaction date and calculate DueDate from the migrated terms. Closed historical invoices may be migrated as reference data or archived per the customer's scope decision.
WINLine
Item / Product
Epicor Prophet 21
Part
1:1WINLine Items include SKU, description, unit of measure, cost price, and sell price. We map SKU to PartNum, description to PartDescription, and unit of measure to UOMClass and UOMCode records in Epicor. The inventory valuation method (FIFO or average cost) must be confirmed with the customer before mapping to ensure consistency with Epicor's costing configuration. Part-specific pricing migrates to PartPlant and PriceList records. Discontinued or inactive items from WINLine load as inactive Parts in Epicor unless the customer specifies otherwise.
WINLine
Inventory / Stock
Epicor Prophet 21
PartWhse / PartBin
1:1WINLine tracks stock levels by warehouse location. We extract current quantities and map them to Epicor PartWhse (per warehouse) and PartBin (per location within a warehouse). Negative stock or discrepant quantities in WINLine are flagged in a reconciliation report before loading. Warehouse codes from WINLine must map to existing Warehse records in Epicor; we create the warehouse structure during schema design if it does not already exist.
WINLine
Bill of Materials
Epicor Prophet 21
JobMtl / BOMProduct
1:1WINLine BOMs store multi-level product structures with version history and effective dates. Epicor supports BOMs via JobMtl (job-level materials) or BOMProduct (master BOM with revision control). We migrate the active BOM version at cutover and preserve the version identifier in a UDF field. BOM lines map material PartNums to JobMtl records with quantity-per and scrap-percent values. Any BOMs with pending revisions are flagged for customer review before finalizing the load. Phantom BOMs and BOMs with linked recipes require special handling that we document during discovery.
WINLine
Production Order
Epicor Prophet 21
JobHead / JobOper
1:1WINLine work orders and production orders map to Epicor JobHead (job header) and JobOper (job operation) records. The JobHead holds the job number, status, start and end dates, and quantity; JobOper holds the routing steps with work center assignments. Open jobs migrate with their current status; completed jobs may be migrated as historical reference or excluded per scope. We map WINLine production order priority to Epicor JobHead.JobPriority and flag any jobs with material shortages for customer review.
WINLine
Fixed Asset
Epicor Prophet 21
FaAsset
1:1WINLine tracks asset registers with acquisition date, cost, accumulated depreciation, and useful life. We extract the full asset register and push it to Epicor FaAsset, recalculating depreciation schedules if the Epicor fiscal year setup differs from WINLine's. Asset class codes from WINLine map to FaAsset.FAssetGroupID and FaAsset.FaDepartmentID. Any fully depreciated assets load with AssetNum, cost, accumulated depreciation, and a zero remaining useful life. Asset postings and disposal records migrate as FaAsset transactions.
WINLine
Order / Sales Document
Epicor Prophet 21
SalesOrder / OrderRel
1:1WINLine quotes, sales orders, and invoices migrate to Epicor SalesOrder and OrderRel (releases per line). We extract open orders with line items, quantities, and pricing, mapping WINLine order status to Epicor OpenFlag and OrderRel.OpenRelease. Line item PartNums resolve against the Part catalog. Historical closed orders may be migrated as reference records or archived; open orders load as active SalesOrders with OrderRel entries. Pricing from WINLine migrates to OrderDtl unit price and any applicable discounts.
WINLine
CRM / Contact
Epicor Prophet 21
Person / Contact
1:1WINLine's sales management and CRM contacts map to Epicor Person and Contact records linked to Customer. We extract contact names, roles, phone numbers, and email addresses and map them to Epicor's Contact table with the Customer as the primary parent. If WINLine stores contact-specific pipeline data (quotes, opportunities), we map it to Epicor QuoteHed or OrderHed linked to the Contact via the CRM extension. Sales activity history from WINLine CRM migrates to Epicor ShipTo or QuoteHed for timeline continuity.
WINLine
Documents / Attachments
Epicor Prophet 21
ice_BackgroundAttachment
1:1WINLine maintains a document archive tied to transactions and master records. We extract linked documents and binary attachments and re-attach them to corresponding Epicor records using the ice_BackgroundAttachment table or the document management path structure. We map the original WINLine document type to Epicor's DocType field. Very large file attachments or image-heavy document archives may be migrated to Epicor's SharePoint integration or external document storage with a reference link in Epicor, per the customer's preference.
WINLine
Custom Fields / UDF
Epicor Prophet 21
User-Defined Fields (UDT/UDP)
lossyWINLine allows custom fields on most master records. Epicor Kinetic supports User-Defined Tables (UDT) and User-Defined Properties (UDP) to replicate this data model. We extract every WINLine custom field value during discovery, define matching UDT/UDP definitions in Epicor during schema design, and load values alongside the standard fields. Any WINLine custom fields that have no Epicor equivalent are flagged for the customer's admin to configure as additional UDPs before the production migration run.
WINLine
WinLine Compact API
Epicor Prophet 21
Epicor Kinetic REST API
1:1If the source system is WINLine compact (cloud), we assess the available REST API endpoints on a per-customer basis as access may be edition-gated. We use Epicor Kinetic's REST API for all data loading with OAuth 2.0 authentication, batch chunking, and rate-limit handling. WinLine compact API responses are transformed through the same mapping logic as flat-file exports. Any API rate-limit responses from Epicor trigger exponential backoff before retry.
| WINLine | Epicor Prophet 21 | Compatibility | |
|---|---|---|---|
| Chart of Accounts | GLAccount1:1 | Mapping required | |
| Customer | Customer1:1 | Fully supported | |
| Vendor | Supplier1:1 | Fully supported | |
| Open AP / AR | APInvoice / ARInvoice1:1 | Fully supported | |
| Item / Product | Part1:1 | Fully supported | |
| Inventory / Stock | PartWhse / PartBin1:1 | Mapping required | |
| Bill of Materials | JobMtl / BOMProduct1:1 | Fully supported | |
| Production Order | JobHead / JobOper1:1 | Fully supported | |
| Fixed Asset | FaAsset1:1 | Fully supported | |
| Order / Sales Document | SalesOrder / OrderRel1:1 | Fully supported | |
| CRM / Contact | Person / Contact1:1 | Fully supported | |
| Documents / Attachments | ice_BackgroundAttachment1:1 | Mapping required | |
| Custom Fields / UDF | User-Defined Fields (UDT/UDP)lossy | Fully supported | |
| WinLine Compact API | Epicor Kinetic REST API1:1 | Fully supported |
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.
WINLine gotchas
WinLine Classic uses flat-file database storage
No publicly documented REST API for WinLine Classic
BOM and production order versioning
Epicor Prophet 21 gotchas
Third-party bolt-on integrations complicate migration scope
Dirty data without standardized processes compounds migration risk
SDK customizations and BPMs may not survive platform upgrades
Report-based export only for non-technical users
Per-user pricing model requires accurate user count before migration planning
Pair-specific challenges
Migration approach
Discovery and extraction planning
We audit the source WINLine system across edition (Classic vs compact), data volumes by table and record type, active custom fields, BOM version count, open production orders, AP/AR aging buckets, and fixed asset register size. If WINLine Classic is in use, we coordinate with Software Mechanics or the customer's IT team to produce clean flat-file exports using vendor-supplied utilities. For WINLine compact, we assess API availability and endpoint coverage. The discovery output is a written migration scope, extraction plan, and a list of any WINLine data requiring manual preparation before we can begin transformation.
Schema design and Epicor configuration
We design the destination schema in Epicor. This includes creating GLAccount records with segment codes, Warehse and PartBin records for the warehouse structure, Supplier and Customer records with terms and currency assignments, Part records with costing configuration, FaAsset groups for the fixed asset register, and JobHead templates for open production orders. Any WINLine custom fields map to Epicor UDT or UDP definitions that we pre-create in the Epicor tenant before migration. BOM structures are mapped to JobMtl or BOMProduct records with revision control enabled. The schema design document is reviewed and signed off before any data loads begin.
Sandbox extraction and reconciliation
We run a full migration into an Epicor Sandbox using production-like data volumes extracted from WINLine. The customer's operations team reconciles record counts (Accounts, Customers, Vendors, Parts, open AP/AR, BOMs, Jobs, Fixed Assets), spot-checks fifty to one hundred records against the WINLine source, and validates BOM structures and open order line items. Any mapping corrections are documented and applied before the production migration begins. Sandbox reconciliation typically takes one to two weeks and is a required gate before production cutover.
Dependency-ordered production load
We run production migration in record-dependency order: Chart of Accounts (GLAccount), then Customers and Suppliers, then Parts and warehouse structure (PartWhse, PartBin), then BOMs and production orders (JobMtl, JobHead, JobOper), then open AP/AR (APInvoice, ARInvoice), then Fixed Assets (FaAsset), then open Sales Orders (SalesOrder, OrderRel), then CRM contacts and documents. Each phase emits a row-count reconciliation report and a sampling validation before the next phase begins. Epicor Kinetic API calls use batch chunking and exponential backoff; Epicor DMT handles bulk loads exceeding 100,000 records.
Cutover, delta migration, and go-live
We freeze WINLine writes during cutover, run a final delta migration of any records modified during the migration window, then enable Epicor as the system of record. BOMs with pending revisions and open production orders with material shortages are resolved with the manufacturing team before go-live. We deliver a written inventory of every WINLine workflow, automation, report definition, and custom macro that does not migrate. This document lists each item with its trigger, conditions, actions, and a recommended Epicor equivalent (BPM, BAQ report, or Kinetic form customization). The customer's admin team or an Epicor implementation partner rebuilds these post-migration.
Hypercare and migration closeout
We support a one-week hypercare window following go-live where we resolve any reconciliation issues raised by the customer's team. This includes investigating mismatched balances, missing records, and BOM discrepancies. We do not provide ongoing training, workflow rebuild, or post-migration admin support as standard scope; these are separate engagements. We deliver a final migration closeout report with record counts per object, any unresolved items, and recommendations for Epicor optimization based on the data patterns observed during migration.
Platform deep dives
WINLine
Source
Strengths
Weaknesses
Epicor Prophet 21
Destination
Strengths
Weaknesses
Complexity grading
Moderate ERP migration. 4 of 8 objects need a mapping; the rest are 1:1.
Overall complexity
Moderate migration
Derived from compatibility, mapping clarity, API constraints, and data volume across WINLine and Epicor Prophet 21.
Object compatibility
4 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
WINLine: Not publicly documented.
Data volume sensitivity
WINLine 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
Pick a category, then your source and destination platforms.
Category
FAQ
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