Ekstrand missed the 2-2 draw with Crystal Palace as well as Saturday's 4-0 victory at Birmingham with a knee injury but is back in the fold for the Suffolk encounter.
Hall, meanwhile, sat out the weekend's impressive triumph at St Andrew's nursing a hamstring complaint and will be again be missing against an Ipswich side embroiled in a relegation scrap.
Fellow defenders Tommie Hoban (ankle) and Neuton (back) also remain sidelined.
Manager Gianfranco Zola must decide whether to tinker with his line-up as the Hornets face their second of three games in the space of a week, with the likes of Ekstrand, Jonathan Hogg, Fernando Forestieri and Alex Geijo, among others, competing for recalls.
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- Tommie Hoban