Krol has worked extensively across Africa, having held positions in Egypt, South Africa and Tunisia.
Frenchman Troussier, 59, is a former coach of the Japan and Ivory Coast national teams.
Ivory Coast international midfielder Max Gradel has signed a new contract with French club Saint Etienne.
AS Vita Club and Entente Setif reach final
Sewe Sport became the first African Confederation Cup finalists from Ivory Coast in 16 years. Al Ahly to meet Sewe Sport in final.
Fifa president Sepp Blatter has confirmed Issa Hayatou, the head of the Confederation of African Football (CAF), as the senior vice-president of sport's world governing body.
Cameroon's qualifying so far
Won 2:0 against DR Congo - goals from N'Jie and Aboubakar
Won 4:1 against Ivory Coast - 2 goals each from N'jie and Aboubaka
Victor Moses recalled to Nigeria squad for African Cup Qualifying ties.
South Africa have recalled Ajax midfielder Thulani Serero for October's Africa Cup of Nations qualifiers double-header against Congo-Brazaville.
Champions League semi-finalists Entente Setif and Vita Club will want to rewrite history this weekend in their second-leg ties.
AFRICAN CHAMPIONS LEAGUE 2016
2015 Champions: TP Mazembe
Holders TP Mazembe out of this year's competition.
Clubs qualified for the group phase:
• Zesco Utd
• Zamalek
• Entente Setif
• AS Vita Club
• Wydad
• Enyimba
• Al Ahly
• ASEC Mimosas
The draw for the group stage will be held on 24 May in Cairo, Egypt.
Algeria
Congo DR
Côte d'Ivoire
Egypt
Morocco
Nigeria
Zambia