You must place multiple Remedy API libraries in the directory where the Gateway is installed. These libraries can be found on the Remedy server.
Remedy 4.x and 5.x
Remedy 6.3
Remedy 7.0
arapiXX.dll
arrpcXX.dll
arutlXX.dll
where XX matches the version of Remedy. For example, arapi45.dll on Remedy 4.5.
arapi63.dll
arrpc63.dll
arutl63.dll
icudt20.dll
icuin20.dll
icuuc20.dll
arapi70.dll
arrpc70.dll
arutl70.dll
icudt32.dll
icuin32.dll
icuuc32.dll