connecting to an access database error

Probably a dumb question, but have you confirmed Access is installed? I only ask because they removed it from the Business Premium licenses.

Better question, are you using 64-bit office? If so, there is a thread here that might help:

https://social.msdn.microsoft.com/Forums/en-US/1d5c04c7-157f-4955-a14b-41d912d50a64/how-to-fix-error-the-microsoftaceoledb120-provider-is-not-registered-on-the-local-machine?forum=vstsdb