diff --git a/css/swad16.222.css b/css/swad16.222.css
index bf72107de..630d69e5c 100644
--- a/css/swad16.222.css
+++ b/css/swad16.222.css
@@ -1074,7 +1074,6 @@ a:hover						/* Default ==> underlined */
 .CONNECTED
 	{
 	box-sizing:border-box;
-	width:148px;
 	margin:0 auto;
 	background:white;
 	border-style:solid;
diff --git a/swad_changelog.h b/swad_changelog.h
index d9a4dffd6..a8658eb4b 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -229,20 +229,20 @@
 
 // TODO: Al listar administradores, deberķa estar marcado por defecto "Incluir fotos"
 
-// TODO: Add buttons to register students in courses without students
 // TODO: Behaviour of register non-editing teachers in groups should be similar to register students.
 
 /*****************************************************************************/
 /****************************** Public constants *****************************/
 /*****************************************************************************/
 
-#define Log_PLATFORM_VERSION	"SWAD 16.225.11 (2017-05-29)"
+#define Log_PLATFORM_VERSION	"SWAD 16.225.12 (2017-05-29)"
 #define CSS_FILE		"swad16.222.css"
 #define JS_FILE			"swad16.206.3.js"
 
 // Number of lines (includes comments but not blank lines) has been got with the following command:
 // nl swad*.c swad*.h css/swad*.css py/swad*.py js/swad*.js soap/swad*?.h sql/swad*.sql | tail -1
 /*
+        Version 16.225.12:May 29, 2017	Button to register students in connected and requests. (220587 lines)
         Version 16.225.11:May 29, 2017	Button to register students everytime an alert with no students in course is displayed. (220581 lines)
         Version 16.225.10:May 29, 2017	Buttons to register students in listing of teacher's courses. (220561 lines)
         Version 16.225.9: May 29, 2017	Fixed minor bug in user administration. (220540 lines)
diff --git a/swad_connected.c b/swad_connected.c
index 0ac9b580a..8af2a38e8 100644
--- a/swad_connected.c
+++ b/swad_connected.c
@@ -467,7 +467,7 @@ static void Con_ShowConnectedUsrsBelongingToLocation (void)
 
    /***** Start container *****/
    fprintf (Gbl.F.Out,"<div class=\"CONNECTED\""
-		      " style=\"width:390px; margin-top:6px;\">");
+		      " style=\"margin-top:6px;\">");
 
    /***** Number of connected users who belong to scope *****/
    Con_GetNumConnectedUsrsWithARoleBelongingCurrentLocation (Rol_UNK,&Usrs);
@@ -491,6 +491,11 @@ static void Con_ShowConnectedUsrsBelongingToLocation (void)
       Con_ShowConnectedUsrsWithARoleBelongingToCurrentLocationOnMainZone (Rol_GST);
    fprintf (Gbl.F.Out,"</table>");
 
+   /***** Put link to register students *****/
+   if (Gbl.Usrs.Me.LoggedRole == Rol_TCH)	// Course selected and I am logged as teacher
+      if (!Gbl.CurrentCrs.Crs.NumUsrs[Rol_STD])	// No students in course
+          Usr_ShowWarningNoUsersFound (Rol_STD);
+
    /***** End container *****/
    fprintf (Gbl.F.Out,"</div>");
   }
diff --git a/swad_course.c b/swad_course.c
index d15e6d744..bea90d3d6 100644
--- a/swad_course.c
+++ b/swad_course.c
@@ -758,7 +758,7 @@ static void Crs_WriteListMyCoursesToSelectOne (void)
 		       {
 			Act_FormStart (ActReqEnrSevStd);
 		        Crs_PutParamCrsCod (Crs.CrsCod);
-			fprintf (Gbl.F.Out,"<button type=\"submit\" class=\"BT_SUBMIT_INLINE BT_CONFIRM\">"
+			fprintf (Gbl.F.Out,"<button type=\"submit\" class=\"BT_SUBMIT_INLINE BT_CREATE\">"
 					   "%s"
 					   "</button>",
 				 Txt_Register_students);
diff --git a/swad_enrolment.c b/swad_enrolment.c
index 5232070a1..37c3d86c8 100644
--- a/swad_enrolment.c
+++ b/swad_enrolment.c
@@ -164,7 +164,7 @@ void Enr_PutButtonToEnrolStudents (void)
        Gbl.Usrs.Me.LoggedRole == Rol_TCH)	// I am logged as teacher
      {
       Act_FormStart (ActReqEnrSevStd);
-      Lay_PutConfirmButton (Txt_Register_students);
+      Lay_PutCreateButton (Txt_Register_students);
       Act_FormEnd ();
      }
   }
@@ -2932,6 +2932,11 @@ static void Enr_ShowEnrolmentRequestsGivenRoles (unsigned RolesSelected)
    else	// There are no requests
       Ale_ShowAlert (Ale_INFO,Txt_No_enrolment_requests);
 
+   /***** Put link to register students *****/
+   if (Gbl.Usrs.Me.LoggedRole == Rol_TCH)	// Course selected and I am logged as teacher
+      if (!Gbl.CurrentCrs.Crs.NumUsrs[Rol_STD])	// No students in course
+          Usr_ShowWarningNoUsersFound (Rol_STD);
+
    /***** End frame *****/
    Lay_EndRoundFrame ();
   }
diff --git a/swad_help.c b/swad_help.c
index c97c3e701..22cf4d72d 100644
--- a/swad_help.c
+++ b/swad_help.c
@@ -172,7 +172,7 @@ void Hlp_ShowHelpWhatWouldYouLikeToDo (void)
 		     Gbl.CurrentCrs.Crs.ShrtName);
 	    Hlp_ShowRowHelpWhatWouldYouLikeToDo (Gbl.Title,
 						 ActReqEnrSevStd,
-						 "BT_CONFIRM",Txt_Register_students);
+						 "BT_CREATE",Txt_Register_students);
 	   }
 
 	 if (Gbl.Action.Act != ActMyCrs)	// I am not seeing the action to list my courses
diff --git a/swad_user.c b/swad_user.c
index 1fe5c8e1c..6e13e1e32 100644
--- a/swad_user.c
+++ b/swad_user.c
@@ -8162,8 +8162,7 @@ void Usr_ShowWarningNoUsersFound (Rol_Role_t Role)
    extern const char *Txt_No_users_found[Rol_NUM_ROLES];
 
    if (Role == Rol_STD &&			// No students found
-       Gbl.CurrentCrs.Crs.CrsCod > 0 &&		// Course selected
-       Gbl.Usrs.Me.LoggedRole == Rol_TCH)	// I am logged as teacher
+       Gbl.Usrs.Me.LoggedRole == Rol_TCH)	// Course selected and I am logged as teacher
      {
       /***** Show alert *****/
       Ale_ShowAlert (Ale_WARNING,Txt_No_users_found[Role]);