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HAT-verktøyet er et verktøy for å aktivere sertifikater. Dette ligger tilgjengelig i releasepakken på www.bankid.no BankID Releaseweb.
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Error code BID-4312 occurs because of an invalid request because the HAT-tool was not used.
The HAT-tool is a tool to activate certificates. This is available in the release package on www.bankid.no BankID Releaseweb.