▁Project ▁in ▁Hamburg , ▁Germany ▁– ▁and ▁div ested ▁from ▁operations ▁in ▁En ator ▁Tele com ▁Mechan ics . ▁In ▁April ▁ 1 9 9 9 , ▁En ator ▁acquired ▁Net Des ign ▁in ▁Den mark . ▁After ▁the ▁En ator – T iet o ▁mer ger ▁in ▁July ▁ 1 9 9 9 , ▁the ▁En ator ▁brand ▁was ▁dis cont in ued . ▁ ▁The ▁data ▁center ▁failure ▁in ▁Sweden ▁ ▁On ▁ 2 5 ▁November ▁ 2 0 1 1 , ▁there ▁was ▁a ▁hardware ▁failure ▁in ▁one ▁of ▁T iet o ' s ▁Swedish ▁data ▁cent ers , ▁which ▁affected ▁approximately ▁ 5 0 ▁of ▁its ▁clients , ▁including ▁Ap ote ket ▁( a ▁national ▁ph arma ce ut ical s ▁ret ail ▁firm , ▁for ▁whom ▁e - pres cri ptions ▁were ▁out ▁of ▁service ), ▁Bil prov ningen ▁( a ▁Swedish ▁motor ▁vehicle ▁ins pection ▁firm , ▁which ▁was ▁forced ▁to ▁perform ▁ins pe ctions ▁with ▁manual ▁support ), ▁S B AB ▁Bank ▁and ▁the ▁Stockholm ▁Municip ality ▁school ▁web ▁site . ▁Krist ina ▁West er l ind , ▁Head ▁of ▁Mark eting ▁and ▁Communic ations ▁at ▁T iet o ▁Sweden , ▁commented ▁on ▁the ▁incident ▁to ▁D agens ▁Ny h eter : ▁" It ▁is ▁a ▁hardware ▁failure ▁that ▁is ▁very ▁difficult ▁to ▁predict ▁at ▁this ▁time ▁how ▁long ▁it ▁takes ▁to ▁restore ▁everything ▁to ▁normal . ▁It ▁can ▁go ▁fast ▁or ▁it ▁could ▁last ▁a ▁long ▁time ." ▁On ▁ 3 0 ▁November , ▁T