Default logon for UPN Suffix, with only one domain

we have 1 domain name "mydomain.com", have many upn suffix users log on given site "john@hisdomain.com". each of these added in "ad domains , trusts". 

what need gp similar "default domain login" (which not work) have 1 domain. thought set gp to"hisdomain.com", show "log on to: "hisdomain.com", but fails because not domain

we need able default upn suffix, so when user hits ctl-alt-del, need able type john , hit enter.

thank you

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duramaxster

hi,

although have set many upn suffix, may still use domain name user login.

in active directory, default upn suffix dns name of domain in user account created. in cases, domain name registered enterprise domain on internet. using alternative domain names upn suffix can provide additional logon security , simplify names used log on domain in forest.

for example, if organization uses deep domain tree, organized department , region, domain names can quite long. default user upn user in domain might sales.westcoast.microsoft.com. logon name user in domain user@sales.westcoast.microsoft.com. creating upn suffix of "microsoft" allow same user log on using simpler logon name of user@microsoft.

regards,

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arthur li

technet community support

Windows Server  >  Group Policy