Get-MapiVirtualDirectory | FL server,*url*,*auth*
Get-WebServicesVirtualDirectory | FL server,*url*,*oauth*
Get-OABVirtualDirectory | FL server,*url*,*oauth*
Get-AutoDiscoverVirtualDirectory | FL server,*oauth*


### EXAMPLE:
Get-MapiVirtualDirectory | fl server,*url*,*auth*

Server                        : EX1
InternalUrl                   : https://exchange.schweigerstechblog.de/mapi
ExternalUrl                   : https://exchange.schweigerstechblog.de/mapi
IISAuthenticationMethods      : {Ntlm, OAuth, Negotiate}
InternalAuthenticationMethods : {Ntlm, OAuth, Negotiate}
ExternalAuthenticationMethods : {Ntlm, OAuth, Negotiate}