In news:uYvaSeXaIHA.6140@TK2MSFTNGP02.phx.gbl,
msh <masshahab@hotmail.com> typed:
> {{
>
> To add user principal name suffixes
> Open Active Directory Domains and Trusts.
> In the console tree, right-click Active Directory Domains and Trusts,
> and then click Properties.
> On the UPN Suffixes tab, type an alternative UPN suffix for the
> forest, and then click Add.
> Repeat step 3 to add additional alternative user principal name
> suffixes. Notes
>
> To perform this procedure, you must be a member of the Domain Admins
> group (in the forest root domain) or the Enterprise Admins group in
> Active Directory, or you must have been delegated the appropriate
> authority. To open Active Directory Domains and Trusts, click Start, click
> Control Panel, double-click Administrative Tools, and then
> double-click Active Directory Domains and Trusts.
> UPN suffixes should conform to DNS conventions for valid characters
> and syntax.
>
> }}
>
> So Thank
> Thank you.
> Thank You Very Much
> Best Regards
>
> Be Lucky
> Masood Shahab

You are welcome.

Ace