\nHere is the error:\nSummary: 5 item(s). 1 succeeded, 1 failed.\nElapsed time: 00:00:09\nPreparing Setup\nCompleted\nElapsed Time: 00:00:06\nHub Transport Role\nFailed\nError:\nThe following error was generated when "$error.Clear(); if ( ($server -eq $null) -and ($RoleIsDatacenter -ne $true) ) { Update-RmsSharedIdentity -ServerName $RoleNetBIOSName }" was run: "Database is mandatory on UserMailbox. Property Name: Database".\nDatabase is mandatory on UserMailbox. Property Name: Database\nElapsed Time: 00:00:03\nClient Access Role\nCancelled\nMailbox Role\nCancelled\nFinalizing Setup\nCancelled\nIn order to fix this it is actually pretty simple\n1. Go to start>run>adsiedit.msc\n2. Open default naming context\n3. Open your domain user OU should be labeled CN=users\n4. Find the account that starts with CN=federated\n5. Right click on this and delete the object\n6. Run setup.com /prepareAD\n7. Run setup.com /prepareSchema\n8. Once you do this re-run setup and it will succeedVelocity Technical Archive
After removing Exchange 2010 and trying to reinstall you get error Database is mandatory on UserMailbox. Property Name: Database
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\nHere is the error:\nSummary: 5 item(s). 1 succeeded, 1 failed.\nElapsed time: 00:00:09\nPreparing Setup\nCompleted\nElapsed Time: 00:00:06\nHub Transport Role\nFailed\nError:\nThe following error was generated when "$error.Clear(); if ( ($server -eq $null) -and ($RoleIsDatacenter -ne $true) ) { Update-RmsSharedIdentity -ServerName $RoleNetBIOSName }" was run: "Database is mandatory on UserMailbox. Property Name: Database".\nDatabase is mandatory on UserMailbox. Property Name: Database\nElapsed Time: 00:00:03\nClient Access Role\nCancelled\nMailbox Role\nCancelled\nFinalizing Setup\nCancelled\nIn order to fix this it is actually pretty simple\n1. Go to start>run>adsiedit.msc\n2. Open default naming context\n3. Open your domain user OU should be labeled CN=users\n4. Find the account that starts with CN=federated\n5. Right click on this and delete the object\n6. Run setup.com /prepareAD\n7. Run setup.com /prepareSchema\n8. Once you do this re-run setup and it will succeed