Trying to use MaxLocksPerFile in the ConnectionString fails.
Tried this 2 variants:
var connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=YourDatabase.accdb;Extended Properties='MaxLocksPerFile=100000'";
Or
var connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=YourDatabase.accdb;Jet OLEDB:MaxLocksPerFile=100000'";