Republic of Ireland squad update
Midfielder Eunan O'Kane has returned to his club, Leeds United, due to a groin problem, while John O'Shea and James McClean both took a full part in training at the FAI National Training Centre on Thursday morning.
The travelling squad to Vienna consisted of 27 players in total, including Dundalk duo Andy Boyle and Daryl Horgan.
Ireland manager Martin O'Neill will give a pre-match press conference at Ernst-Happel Stadium on Friday evening to give a final update ahead of Saturday's game.
Republic of Ireland Squad
Goalkeepers: Darren Randolph (West Ham United), Keiren Westwood (Sheffield Wednesday), Colin Doyle (Bradford City)
Defenders: Seamus Coleman (Everton), Richard Keogh, Alex Pearce (Derby County), John O'Shea (Sunderland), Ciaran Clark (Newcastle United), Paul McShane (Reading), Shane Duffy (Brighton & Hove Albion), Andy Boyle (Dundalk)
Midfielders: Aiden McGeady (Preston North End*), James McClean (West Bromwich Albion), Jeff Hendrick (Burnley), Glenn Whelan (Stoke City), Harry Arter (Bournemouth), David Meyler (Hull City), Stephen Gleeson (Birmingham City), Robbie Brady, Wes Hoolahan (Norwich City), Callum O'Dowda (Bristol City), Jonathan Hayes (Aberdeen), Daryl Horgan (Dundalk)
Forwards: Jonathan Walters (Stoke City), Adam Rooney (Aberdeen), Kevin Doyle (Colorado Rapids), David McGoldrick (Ipswich Town)
*Indicates player is currently on loan