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Maximum number of 'External Ids' per object or entity

Veröffentlichungsdatum: Feb 2, 2026
Beschreibung


You can designate up to 25 External ID fields per object.

 
  • External ID fields must be Custom text, number or email fields.
  • External ID fields contain record IDs from systems outside Salesforce.
  • You can use the upsert call to match against External ID fields during import or integration.
  • External ID fields are indexed, so selective filters on them should run quickly.
Lösung


When unable to mark a custom field as External

1. Make sure there are fewer than 25 External ID fields on the object.
2. If there are more than 25, you may need to log a case with Salesforce Support.

Notes: 

  • When a field has been designated as an External ID, it is also indexed.
  • The maximum number of custom indexes per entity is 25, by default.


To request a review and increase of index operations

1. Ask your administrator to log a case with Salesforce Support.
2. Provide your organization ID.
3. Explain the business need for increasing the limit on indexes.
4. Salesforce Support will review your request and current indexes, then action as needed.

Nummer des Knowledge-Artikels

000385134

 
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Salesforce Help | Article