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https://nishantrana.me/2018/12/12/you-do-not-have-the-necessary-privileges-to-import-security-roles-microsoft-crm-crmsecurityexception-seclibcheckprivilege-failed-while-importing-solution-in-dynamics-365-ce/
You do not have the necessary privileges to import security roles. Microsoft.Crm.CrmSecurityException: SecLib::CheckPrivilege failed while importing solution in Dynamics 365 CE