Library /sys$common/syshlp/nclhelp.hlb set, x25_server, client, account (OpenVMS)  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Default: No service/account data           Value: Latin1String

    Default service or account data to be used when connecting to the
    system hosting the X.25 client.  The account must be embedded in
    quotes.