Some fields in Marketo are read-only. It is not editable by completing forms. Change Data Value flow steps, on the lead detail page, or list imports.
Here is a list of many of those fields:
SFDC lead fields
- Lead Owner First Name
- Lead Owner Last Name
- Lead Owner Email Address
- Lead Owner Phone Number
- Lead Owner Job Title
- SFDC Campaigns
- SFDC Type
SFDC Opportunity fields
- Number of Opportunities
- Total Opportunity Amount
- Total Opportunity Expected Revenue
- Other built-in and custom opportunity fields
SFDC Account fields
- SFDC Accounts are not editable from Marketo
Marketo lead management system fields
- Anonymous IP
- Black Listed Cause
- Created Date
- Deleted In Sales
- Do Not Call Cause
- Email Suspended
- Email Suspended At
- Email Suspended Cause
- Full Name
- Inferred City
- Inferred Company
- Inferred Country
- Inferred Metropolitan Area
- Inferred Phone Area Code
- Inferred Postal Code
- Inferred State Region
- Is Anonymous
- Lead Partition
- Revenue Cycle Model
- Lead Revenue Stage
- Marketing Suspended Cause
- Original Referrer
- Original Search Engine
- Original Search Phrase
- Original Source Info
- Original Source Type
- Parent Company Name
- Registration Source Info
- Registration Source Type
- Unsubscribed Cause
- Updated
Sales Insight system fields
- Last Interesting Moment Date
- Last Interesting Moment Desc
- Last Interesting Moment Source
- Last Interesting Moment Type
- Priority
- Relative Score
- Relative Urgency
- Urgency
Salesforce custom objects
- SFDC custom objects are all read only
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