CRM migration
Field-level mapping, validation, and rollback between Rainbow CRM and Microsoft Dynamics 365 Sales . We move data and schema; workflows are rebuilt natively in Microsoft Dynamics 365 Sales .
Rainbow CRM
Source
Microsoft Dynamics 365 Sales
Destination
Compatibility
7 of 8
objects map 1:1 between Rainbow CRM and Microsoft Dynamics 365 Sales .
Complexity
BStandard
Timeline
2-4 weeks
Overview
Moving from Rainbow CRM to Microsoft Microsoft Dynamics 365 Sales is an export-constrained migration: Rainbow CRM exposes no public API, so all data extraction runs through its CSV and JSON export formats. We inspect the export schema during discovery, flag any custom fields absent from the export, and remap Rainbow's internal pipeline stage names to Microsoft Dynamics 365 Sales stage values before the first import batch. Deals attach to the correct Contact and Account via parent-record lookup resolution at migration time. Activities (calls, emails, notes) export in a denormalized format from Rainbow; we reconstruct them as typed Task and Event records in Dynamics 365 with WhoId and WhatId references resolved. We do not migrate workflows, automations, or attachments as these are either not exposed in Rainbow's export format or require native platform rebuild. A written automation inventory is delivered to your admin for post-migration rebuild in Microsoft Dynamics 365 Sales .
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.
Source platform
Rainbow CRM platform overview
Scorecard, SWOT, gotchas, and pricing for Rainbow CRM.
Destination platform
Microsoft Dynamics 365 Sales platform overview
Scorecard, SWOT, gotchas, and pricing for Microsoft Dynamics 365 Sales .
Data migration guide
The complete Microsoft Dynamics 365 Sales migration guide
Data model, import mechanisms, field mapping strategy, pitfalls, and cutover — by the engineers running it.
Destination checklist
Microsoft Dynamics 365 Sales migration checklist
Pre- and post-cutover tasks for moving onto Microsoft Dynamics 365 Sales .
Why teams make this switch
Leaving
What's pushing teams away
Choosing
What's pulling them in
Object mapping
Each row shows how a Rainbow CRM object lands in Microsoft Dynamics 365 Sales , including any object-level transformations, lookup resolution, or schema-design dependencies.
Typical mapping — final map is confirmed during the sample migration step.
Rainbow CRM
Contact
Microsoft Dynamics 365 Sales
Contact
1:1Rainbow CRM Contacts export as flat CSV records with name, email, phone, and address fields. We map these directly to Microsoft Dynamics 365 Sales Contact fields. Lifecycle stage is not a native Rainbow CRM field and will not appear in exports. Parent Account resolution uses the company name field to match against imported Account records; any Contact with an unmatched company name is flagged for manual review before the batch commits.
Rainbow CRM
Company
Microsoft Dynamics 365 Sales
Account
1:1Rainbow CRM Companies export as flat records. We import them first, before Contacts, to enable accountid lookup resolution on Contact insert. The company domain from Rainbow's export populates the Account Website field. Any duplicate Account names are deduplicated by appending a numeric suffix and flagged in the reconciliation report.
Rainbow CRM
Deal
Microsoft Dynamics 365 Sales
Opportunity
1:1Rainbow CRM Deals export with internal pipeline stage labels that do not match Microsoft Dynamics 365 Sales stage names. We present a stage mapping table during scoping, apply the agreed mapping before the first import batch, and set Opportunity StageProbability values from Rainbow's deal probability percentages rounded to the nearest integer. Each pipeline in Rainbow maps to a Microsoft Dynamics 365 Sales Record Type.
Rainbow CRM
Lead
Microsoft Dynamics 365 Sales
Lead
1:1Rainbow CRM Leads export as a separate object from Contacts. We import Leads before Contacts to avoid duplicate email conflicts. Where a Lead email matches an existing Contact email, we flag the conflict in the reconciliation report and the customer's admin decides whether to merge, convert, or keep both records. Lead Status from Rainbow maps to Microsoft Dynamics 365 Sales Lead Status.
Rainbow CRM
Task
Microsoft Dynamics 365 Sales
Task
1:1Rainbow CRM Tasks export as flat records without assignee IDs. We map task titles, due dates, and descriptions to Microsoft Dynamics 365 Sales Task fields. Assignee resolution requires a cross-reference against the imported User list by email match; tasks without a matched User are assigned to the migration-admin user and flagged for reassignment in the reconciliation report.
Rainbow CRM
Activity (calls, emails, notes)
Microsoft Dynamics 365 Sales
Task, Event, EmailMessage
1:manyActivity history exports from Rainbow CRM in a denormalized flat format with no typed activity subtype. We inspect the export schema to identify activity type indicators, split records by type, and reconstruct them as typed Salesforce records: calls as Task with TaskSubtype=Call, meetings as Event, emails as EmailMessage, and standalone notes as Note. We resolve the WhoId (Contact or Lead) and WhatId (Account or Opportunity) from the denormalized export fields before insert.
Rainbow CRM
Custom Fields
Microsoft Dynamics 365 Sales
Custom Fields
1:1Rainbow CRM exposes a subset of custom fields in its documented export format. We inspect the export schema during discovery and flag any custom properties that do not appear in the raw file. For high-value custom fields absent from export, we request a manual supplemental export or coordinate a direct data extraction where possible. Custom fields that appear in export are mapped to Microsoft Dynamics 365 Sales custom fields created during schema design.
Rainbow CRM
Attachments/Documents
Microsoft Dynamics 365 Sales
ContentDocument (not migrated)
1:1Rainbow CRM does not expose file attachments or document records through its documented export format. Any linked files must be re-uploaded manually to Microsoft Dynamics 365 Sales SharePoint integration or attached directly to records post-migration. We flag the attachment gap in the discovery report and note that the customer should download the full attachment archive from Rainbow before the migration date.
| Rainbow CRM | Microsoft Dynamics 365 Sales | Compatibility | |
|---|---|---|---|
| Contact | Contact1:1 | Fully supported | |
| Company | Account1:1 | Fully supported | |
| Deal | Opportunity1:1 | Fully supported | |
| Lead | Lead1:1 | Fully supported | |
| Task | Task1:1 | Fully supported | |
| Activity (calls, emails, notes) | Task, Event, EmailMessage1:many | Fully supported | |
| Custom Fields | Custom Fields1:1 | Mapping required | |
| Attachments/Documents | ContentDocument (not migrated)1:1 | Not 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.
Rainbow CRM gotchas
No public API means migration relies entirely on export files
Custom field coverage in exports is incomplete
Pipeline stage names differ from standard CRM conventions
Microsoft Dynamics 365 Sales gotchas
Professional tier 15-table custom table limit blocks migrations
October 2024 pricing increase applies at renewal for all customers
Custom fields must be created in the UI before API writes
Power Platform request limits apply to bulk migrations
Activity records orphaned to inactive owners fail silently
Pair-specific challenges
Migration approach
Discovery and export audit
We request a full data export from Rainbow CRM in both CSV and JSON formats. We inspect the schema of each export file to confirm all required objects (Contacts, Companies, Deals, Leads, Activities) and fields are present. We flag missing custom fields, note the Activity export structure, and extract a complete list of pipeline stage names for stage mapping. We also request the full attachment archive for manual re-upload post-migration. The discovery output is a written scope document and a confirmed export checklist.
Schema design in Microsoft Dynamics 365 Sales
We design the destination schema in Microsoft Dynamics 365 Sales . This includes creating any custom fields not covered by the standard Contact, Account, Opportunity, Lead, and Task objects; defining Record Types per Rainbow pipeline; creating Sales Processes that whitelist the remapped stage values; and provisioning the migration user with Bulk API permissions and a temporary validation bypass flag. Schema is validated in a Sandbox org before production deployment.
Stage mapping and transform design
We present a stage mapping table for Rainbow's internal pipeline stage names to Microsoft Dynamics 365 Sales Stage values. The customer's admin approves the mapping, including probability percentages. We implement the stage mapping as a pre-import transform so that every Deal row carries the correct Dynamics stage name before insert. We also design the Activity type split logic based on the denormalized export structure observed during discovery.
Sandbox migration and reconciliation
We run a full migration into a Dynamics 365 Sandbox using production-equivalent data volume. The customer's admin reconciles record counts (Contacts in, Accounts in, Opportunities in, Leads in, Activities reconstructed), spot-checks 20-30 records against the Rainbow export source, and signs off the schema, mapping, and stage table before production migration begins. Any field mapping corrections or stage adjustments happen in Sandbox, not in production.
Production migration in dependency order
We run production migration in record-dependency order: Accounts (from Rainbow Companies), Contacts (with AccountId resolved), Leads (with email dedup check), Opportunities (with AccountId, OwnerId, and RecordTypeId resolved and stage mapping applied), Tasks and Activities (with WhoId and WhatId resolved from the denormalized export). Each phase emits a row-count reconciliation report before the next phase begins. Attachments are not migrated; the customer re-uploads manually using the archived files.
Cutover, validation, and automation inventory handoff
We freeze Rainbow CRM writes during cutover, run a final delta migration of any records modified during the migration window, then enable Microsoft Dynamics 365 Sales as the system of record. We deliver a written automation and workflow inventory listing every Rainbow CRM workflow requiring rebuild in Microsoft Dynamics 365 Sales . We do not rebuild automations as Dynamics 365 Flow or Power Automate inside the migration scope; that is a separate engagement. We provide a one-week hypercare window for reconciliation issues raised by the sales team.
Platform deep dives
Rainbow CRM
Source
Strengths
Weaknesses
Microsoft Dynamics 365 Sales
Destination
Strengths
Weaknesses
Complexity grading
Standard CRM migration. 3 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 Rainbow CRM and Microsoft Dynamics 365 Sales .
Object compatibility
3 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
Rainbow CRM: Not publicly documented.
Data volume sensitivity
Rainbow CRM 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
Answers to the questions buyers ask most during Rainbow CRM to Microsoft Dynamics 365 Sales migration scoping. Not seeing yours? Book a call.
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