If you want to fix IBM Notes failed to start successfully error, so here I suggest you to get SysInspire NSF to PST converter software. This tool has a multiple file format for conversion. It can convert NSF file into multiple file format such as NSF to PST, EML, EMLX, Office 365, HTML, Yahoo Mail, Gmail.etc. It has a demo version that can allow users to convert 25 items from each folders of NSF file for free. It has a technical support all users can get help by email or live chat. It has email filteration users can convert mail by using specific dates. It support all versions of Windows OS. even it support all version of Lotus Notes.