I am connecting Zapier to Salesforce, and after some time, it is disconnected again and again. I have connected the account multiple times but still, it is showing Expired Connection.
Salesforce allows a user to have 5 access tokens authorized to one Salesforce account to all third-party applications, including Zapier. After those 5 access tokens are generated, older tokens are automatically revoked without notification. This does not mean you're limited to only having five total Zaps using the Salesforce integration, just number of Connected App Access across all the third-party apps you use.
Lock sessions to the IP address from which they originated
Lock sessions to the domain in which they were first used
Here is a screenshot of what this looks like:
When you’ve had an opportunity to give their suggestions a try, it’s best to reply to the thread that you have open with Support as they will be able to look at your Zaps with you.