1. Click the Connections tab.
2. Select a connection. You select published objects by connection.
3. In the Published Objects related list, click Publish/Unpublish.
4. Select the objects to publish.All custom objects in your organization appear in the list of objects, however, Salesforce to Salesforce only supports deployed custom objects. You can’t publish objects that you don’t have permission to edit. You can only publish certain objects.AccountAttachment (unencrypted)CaseCase CommentContactLeadOpportunityOpportunity ProductProductTaskCustom Object
5. Account
6. Attachment (unencrypted)
7. Case
8. Case Comment
9. Contact
10. Lead
11. Opportunity
12. Opportunity Product
13. Product
14. Task
15. Custom Object
16. Click Save.