 			usernames.push user.profile.name
 
 	if user.services?
-		for serviceName, service of user.services
-			if service.name?
-				if RocketChat.settings.get 'UTF8_Names_Slugify'
-					usernames.push slug service.name
-				else
-					usernames.push service.name
-			else if service.username?
-				if RocketChat.settings.get 'UTF8_Names_Slugify'
-					usernames.push slug service.username
-				else
-					usernames.push service.username
+		services = _.map user.services, (service) ->
+			return _.values(_.pick(service, 'name', 'username', 'firstName', 'lastName'))
+
+		services = _.uniq(_.flatten(services))
+
+		for service in services
+			if RocketChat.settings.get 'UTF8_Names_Slugify'
+				usernames.push slug service
+			else
+				usernames.push service
 
 	if user.emails?.length > 0
 		for email in user.emails when email.address? and email.verified is true

		for email in user.emails when email.address? and email.verified is true
			usernames.push slug email.address.replace(/(.+)@(\w+).+/, '$1.$2')

	for item in usernames
		if usernameIsAvaliable item
			username = item
			break

	if usernames[0]? and usernames[0].length > 0
		index = 0
		while not username?
			index++
			if usernameIsAvaliable usernames[0] + '-' + index
				username = usernames[0] + '-' + index

	if usernameIsAvaliable username
		return username

	if Meteor.settings.public.sandstorm
		usernames.push user.services.sandstorm.preferredHandle

	if Match.test(user?.name, String)
		if RocketChat.settings.get 'UTF8_Names_Slugify'
			usernames.push slug user.name
		else
			usernames.push user.name

		nameParts = user?.name?.split(' ')
		if nameParts.length > 1
			first = nameParts[0]
			last = nameParts[nameParts.length - 1]

			if RocketChat.settings.get 'UTF8_Names_Slugify'
				usernames.push slug first[0] + last
				usernames.push slug first + last[0]
			else
				usernames.push first[0] + last
				usernames.push first + last[0]

	if user.profile?.name?
		if RocketChat.settings.get 'UTF8_Names_Slugify'
