What is Salesforce to Salesforce?
Salesforce to Salesforce is a mechanism for connecting two separate orgs (same or different companies) and enabling the sharing of leads, opportunities, contact, task, product, case attachments or data stored in custom objects with partners that use Salesforce in real time.
Enabling Salesforce to Salesforce
To enable, navigate to Setup -> App setup -> Customize -> Salesforce to Salesforce -> Settings. Hit Edit, select Enable, and then select Save.
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Salesforce to Salesforce Overview
Enabling Salesforce to Salesforce
Tips for Using Salesforce to Salesforce
Sharing Records Using Salesforce to Salesforce
Best Practices for Salesforce to Salesforce