Exchange 2016 – AD Schema Preparation Failed

1 Aug

I had problems migrating from MS Exchange 2010 to Exchange 2016 in our organization. Every try to prepare AD schema running Setup.exe /prepareAD /IAcceptExchangeServerLicenseTerms on Domain Controller running Windows 2012 R2 ended with failure: Failed [Rule:GlobalUpdateRequired] [Message:Global updates need to … Read More »