some node image missing after node convert batch I have convert 50,000 nodes from one content type to another and mapping each and every fields. but after batch complete, some images migrate but some not. how i will fix this ? am i run migrate again ?
Are you migrate your content from D6 to D7? if yes, Then Migrate Fields page is divided into 3 sections:

Available fields

Converted fields

Unavailable fields

you can check the status here. May be it'll helpful to you.