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  <xsd:element id="panw_DebtInstrumentConvertibleThresholdPercentageofNotesPriceTrigger" name="DebtInstrumentConvertibleThresholdPercentageofNotesPriceTrigger" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_DebtInstrumentRepurchasePriceAsPercentageOfPrincipalAmountPlusAccruedAndUnpaidInterestInEventOfChange" name="DebtInstrumentRepurchasePriceAsPercentageOfPrincipalAmountPlusAccruedAndUnpaidInterestInEventOfChange" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_DebtInstrumentsConvertiblePer1000PrincipalThresholdConsecutiveTradingDays" name="DebtInstrumentsConvertiblePer1000PrincipalThresholdConsecutiveTradingDays" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_Debtissuancecostequitycomponent" name="Debtissuancecostequitycomponent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="panw_Deferredtaxliabilitiesfixedassetsandintangibleassets" name="Deferredtaxliabilitiesfixedassetsandintangibleassets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="panw_DemostrationunitsMember" name="DemostrationunitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_DocumentInformationAbstract" name="DocumentInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_EmployeeStockPurchasePlanEsppMember" name="EmployeeStockPurchasePlanEsppMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_ExcessTaxBenefitIncludedinFederalResearchandDevelopmentTaxCreditOptions" name="ExcessTaxBenefitIncludedinFederalResearchandDevelopmentTaxCreditOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="panw_ExcessTaxBenefitIncludedinForeignNetOperatingLossOptions" name="ExcessTaxBenefitIncludedinForeignNetOperatingLossOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="panw_ExcessTaxBenefitincludedinStateNetOperatingLossOptions" name="ExcessTaxBenefitincludedinStateNetOperatingLossOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="panw_ExcessTaxBenefitsIncludedinFederalNetOperatingLossesOptions" name="ExcessTaxBenefitsIncludedinFederalNetOperatingLossesOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="panw_FiniteandInfiniteLivedIntangibleAssetsLineItems" name="FiniteandInfiniteLivedIntangibleAssetsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_FortinetMember" name="FortinetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_IncreaseinNumberofSharesReservedforIssuanceontheFrstDayofFscalYearPercentageofSharesofCommonStockontheLastDayofPreceedingFiscalYearMaximum" name="IncreaseinNumberofSharesReservedforIssuanceontheFrstDayofFscalYearPercentageofSharesofCommonStockontheLastDayofPreceedingFiscalYearMaximum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_InprocessresearchanddevelopmentheldfordefensivepurposesMember" name="InprocessresearchanddevelopmentheldfordefensivepurposesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_IntangibleAssetsAcquired" name="IntangibleAssetsAcquired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_JuniperMember" name="JuniperMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_LeaseArrangementNo.2Member" name="LeaseArrangementNo.2Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_LeasearrangementNo.1Member" name="LeasearrangementNo.1Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_Legalsettlementincashamount" name="Legalsettlementincashamount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="panw_Legalsettlementincommonstockamountsettlementdate" name="Legalsettlementincommonstockamountsettlementdate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="panw_Legalsettlementincommonstocknumberofshares" name="Legalsettlementincommonstocknumberofshares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_Legalsettlementinwarrantamountsettlementdate" name="Legalsettlementinwarrantamountsettlementdate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="panw_Legalsettlementinwarrantsnumberofshares" name="Legalsettlementinwarrantsnumberofshares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_Legalsettlementinwarrantsstrikepriceinusdpershare" name="Legalsettlementinwarrantsstrikepriceinusdpershare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_Licensingofintellectualproperty" name="Licensingofintellectualproperty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="panw_MinimumExercisePriceforEmployeesOwningLessThan10ofTotalCombinedVotingPowerofAllClassofStockPercentageofFairMarketValue" name="MinimumExercisePriceforEmployeesOwningLessThan10ofTotalCombinedVotingPowerofAllClassofStockPercentageofFairMarketValue" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_MinimumExercisePriceforEmployeesOwningMorethan10ofTotalCombinedVotingPowerofAllClassofStockPercentageoffairmarketvalue" name="MinimumExercisePriceforEmployeesOwningMorethan10ofTotalCombinedVotingPowerofAllClassofStockPercentageoffairmarketvalue" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_MinimumExercisePriceofNonstatutoryStockOptionandOptionsGrantedtoConsultantsPercentageofFairMarketValue" name="MinimumExercisePriceofNonstatutoryStockOptionandOptionsGrantedtoConsultantsPercentageofFairMarketValue" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_MortaMember" name="MortaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_NumberOfLeaseAgreements" name="NumberOfLeaseAgreements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="panw_NumberOfLeaseRenewalOptions" name="NumberOfLeaseRenewalOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="panw_NumberofSharesAddedtoSharesinReserveonFirstDayofEachFiscalYearMaximum" name="NumberofSharesAddedtoSharesinReserveonFirstDayofEachFiscalYearMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_OfferingSourceAxis" name="OfferingSourceAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_OfferingSourceDomain" name="OfferingSourceDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_OperatingLeasesFutureMinimumPaymentsDueExcludingSubleaseIncome" name="OperatingLeasesFutureMinimumPaymentsDueExcludingSubleaseIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="panw_OperatingleaseSubleaserentalsrentcredit" name="OperatingleaseSubleaserentalsrentcredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="panw_OtherAmericasMember" name="OtherAmericasMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_Periodofmutualcovenantnottosueforpatentinfringement" name="Periodofmutualcovenantnottosueforpatentinfringement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_ProceedsFromSaleOfStockInPublicOfferingReceivedByExistingShareholders" name="ProceedsFromSaleOfStockInPublicOfferingReceivedByExistingShareholders" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="panw_PurchaseOfConvertibleNoteHedges" name="PurchaseOfConvertibleNoteHedges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_ScheduleOfFiniteAndInfiniteLivedIntangibleAssetsTable" name="ScheduleOfFiniteAndInfiniteLivedIntangibleAssetsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_SecondaryOfferingMember" name="SecondaryOfferingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_Settlementamountallocatedtothemutualcovenantnottosue" name="Settlementamountallocatedtothemutualcovenantnottosue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="panw_Settlementamountallocatedtothemutualdismissalofclaims" name="Settlementamountallocatedtothemutualdismissalofclaims" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestWeightedAverageRemainingContractualTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumPurchaseOfCommonStockValuePerEmployee" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumPurchaseOfCommonStockValuePerEmployee" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="panw_SharesAvailableForGrantTextBlock" name="SharesAvailableForGrantTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_SharesOfCommonStockCoveredByNoteHedges" name="SharesOfCommonStockCoveredByNoteHedges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="panw_SharesSoldInPublicOfferingByExistingShareholders" name="SharesSoldInPublicOfferingByExistingShareholders" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_SubleaseArrangementMember" name="SubleaseArrangementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_SubscriptionMember" name="SubscriptionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="panw_SupportandmaintenanceMember" name="SupportandmaintenanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
