When I use '-' character as Group name, the authentication fails. For example<br><br>1.<br>Group Name:&nbsp; -A<br>Result&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; :&nbsp; Aunthentication Fails<br><br>2. <br>Group Name:&nbsp; A-<br>Result&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; :&nbsp; Authentication Successful<br><br>What are the valid character and what is the explanation regarding this?<br>Thank you very much.<br><p>&#32;
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