Set-ClientAccessServer -Identity exchange -AutodiscoverServiceInternalUri https://webmail.company.net/autodiscover/autodiscover.xml 

Set-WebServicesVirtualDirectory -Identity "exchange\EWS (Default Web Site)" -InternalUrl https://webmail.company.net/ews/exchange.asmx

Set-OABVirtualDirectory -Identity "exchange\oab (Default Web Site)" -InternalUrl https://webmail.company.net/oab

Set-UMVirtualDirectory -Identity "exchange\unifiedmessaging (Default Web Site)" -InternalUrl https://webmail.company.net/unifiedmessaging/service.asmx