System.DirectoryServices.Direc...

[DirectoryServicesCOMException (0x8007052e): Logon failure: unknown user name or bad password.
]
   System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail) +439513
   System.DirectoryServices.DirectoryEntry.Bind() +36
   System.DirectoryServices.DirectoryEntry.get_SchemaEntry() +33

string temp = Environment.GetEnvironmentVariable("USERNAME");

                PrincipalContext ctx = new PrincipalContext(ContextType.Domain, "domain.com", "dc=domain, dc=com");

                UserPrincipal up = UserPrincipal.FindByIdentity(ctx, IdentityType.SamAccountName, temp);
                
    
                if (up != null)
                {
                    PrincipalSearchResult<Principal> Results = up.GetAuthorizationGroups();
                    foreach (Principal Result in Results)
                    {
                        if (Result.Name == "Users")
                        {
                            ClientScript.RegisterStartupScript(typeof(Page), "SymbolError",
                        "<script type='text/javascript'>displayvideo();</script>");
                        }
                    }
                 }