40 Windows Domain Username Allowed Characters Update

I believe username can t have the following but i m not sure about the domain.

Windows domain username allowed characters. Regardless of the extension all domain names must follow the same character rules. Also known by the names samaccountname and pre windows 2000 logon name. Premium content you need an expert office subscription to comment.

But you cannot logon to a domain using a samaccountname that includes the character. You can type nbtstat n make sure n is in lowercase at the command prompt to see the netbios name type and status in a netbios local name table. Spaces are not allowed and the domain can t begin or end with a dash.

We need to know which characters aren t allowed in an ad group name i e. It s the preferred newer logon format. Allowed characters in netbios names.

See the note below. Etc. Can t contain a period character immediately preceding the symbol.

The schema allows 256 characters in samaccountname values. There can be up to 48 characters after the symbol. Start free trial.

Other implementations of dns do not support unicode characters. There can be up to 64 characters before the symbol. The total length must not exceed 113 characters.