Under certain conditions, a new snapshot is created when a Monitor is edited. This occurs when a previously disabled Monitor becomes enabled, or when the following Monitor settings have been changed:
Monitor Type (FTP, FTPS. SFTP, Local/Network Share)
Folder Location
Recursive
Event Type (Files Created, Files Modified, Files Deleted)
File Name Pattern
Pattern Type
When a new snapshot is created, any file activity that occurred since the last time the Monitor ran will be ignored.