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Desired2Learn
Hello, I am trying to migrate from an exchange server 2019 on prem server to exchange online. However I keep getting the 401 unauthorized error. I get it at every point. If i do HCW i get it, test migration availability, setup migration endpoint in m365. Also to note I am using Mimecast as my email gateway. Also get same error from BitTitan's MigrationWiz. Settings that are set:MRS Proxy EnabledBasic / Windows authentication EnabledCredentials are correct for accountsEnhanced Protection DisabledAccount has Organization Management and Impersonation. Here is
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