diff --git a/app/models/communication/extranet.rb b/app/models/communication/extranet.rb
index 968f35b92c8cbbfeced7a55eac264ffd464505cc..5f86575e1f563c0e574f72a2d523b71cf2b9cffe 100644
--- a/app/models/communication/extranet.rb
+++ b/app/models/communication/extranet.rb
@@ -40,6 +40,10 @@ class Communication::Extranet < ApplicationRecord
     find_by domain: host
   end
 
+  def should_show_years?
+    about.programs.many?
+  end
+
   def url
     "https://#{domain}"
   end
diff --git a/config/navigation.rb b/config/navigation.rb
index c3f27ac3c1cd5c88e3645a32172d488d45127d3d..d134fb412b518c612ca6a9b9ac4caa85df34ea5d 100644
--- a/config/navigation.rb
+++ b/config/navigation.rb
@@ -9,7 +9,7 @@ SimpleNavigation::Configuration.run do |navigation|
                   university_persons_path
     primary.item  :years,
                   Education::AcademicYear.model_name.human(count: 2),
-                  education_academic_years_path
+                  education_academic_years_path if current_extranet.should_show_years?
     primary.item  :cohorts,
                   Education::Cohort.model_name.human(count: 2),
                   education_cohorts_path
diff --git a/db/schema.rb b/db/schema.rb
index cfbd6e2f3b2335161585516f87a33893c2e2dec8..8516a1e8c2cba4dce6ae286b4a106e5055c05187 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -17,7 +17,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
   enable_extension "plpgsql"
   enable_extension "unaccent"
 
-  create_table "action_text_rich_texts", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "action_text_rich_texts", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.string "name", null: false
     t.text "body"
     t.string "record_type", null: false
@@ -27,7 +27,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["record_type", "record_id", "name"], name: "index_action_text_rich_texts_uniqueness", unique: true
   end
 
-  create_table "active_storage_attachments", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "active_storage_attachments", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
     t.uuid "record_id", null: false
@@ -37,7 +37,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["record_type", "record_id", "name", "blob_id"], name: "index_active_storage_attachments_uniqueness", unique: true
   end
 
-  create_table "active_storage_blobs", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "active_storage_blobs", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.string "key", null: false
     t.string "filename", null: false
     t.string "content_type"
@@ -51,13 +51,13 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_active_storage_blobs_on_university_id"
   end
 
-  create_table "active_storage_variant_records", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "active_storage_variant_records", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "blob_id", null: false
     t.string "variation_digest", null: false
     t.index ["blob_id", "variation_digest"], name: "index_active_storage_variant_records_uniqueness", unique: true
   end
 
-  create_table "administration_qualiopi_criterions", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "administration_qualiopi_criterions", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.integer "number"
     t.text "name"
     t.text "description"
@@ -65,7 +65,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.datetime "updated_at", precision: 6, null: false
   end
 
-  create_table "administration_qualiopi_indicators", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "administration_qualiopi_indicators", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "criterion_id", null: false
     t.integer "number"
     t.text "name"
@@ -79,7 +79,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["criterion_id"], name: "index_administration_qualiopi_indicators_on_criterion_id"
   end
 
-  create_table "communication_blocks", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_blocks", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.string "about_type"
     t.uuid "about_id"
@@ -94,7 +94,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_communication_blocks_on_university_id"
   end
 
-  create_table "communication_extranets", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_extranets", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.string "name"
     t.uuid "university_id", null: false
     t.string "domain"
@@ -106,7 +106,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_communication_extranets_on_university_id"
   end
 
-  create_table "communication_website_categories", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_website_categories", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "communication_website_id", null: false
     t.string "name"
@@ -136,7 +136,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["communication_website_post_id", "communication_website_category_id"], name: "post_category"
   end
 
-  create_table "communication_website_git_files", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_website_git_files", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.string "previous_path"
     t.string "about_type", null: false
     t.uuid "about_id", null: false
@@ -148,7 +148,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["website_id"], name: "index_communication_website_git_files_on_website_id"
   end
 
-  create_table "communication_website_imported_authors", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_website_imported_authors", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "website_id", null: false
     t.uuid "author_id"
@@ -164,7 +164,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["website_id"], name: "idx_communication_website_imported_auth_on_website"
   end
 
-  create_table "communication_website_imported_categories", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_website_imported_categories", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "website_id", null: false
     t.uuid "category_id"
@@ -182,7 +182,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["website_id"], name: "idx_communication_website_imported_cat_on_website"
   end
 
-  create_table "communication_website_imported_media", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_website_imported_media", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.string "identifier"
     t.jsonb "data"
     t.text "file_url"
@@ -197,7 +197,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["website_id"], name: "index_communication_website_imported_media_on_website_id"
   end
 
-  create_table "communication_website_imported_pages", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_website_imported_pages", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "website_id", null: false
     t.uuid "page_id"
@@ -221,7 +221,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["website_id"], name: "index_communication_website_imported_pages_on_website_id"
   end
 
-  create_table "communication_website_imported_posts", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_website_imported_posts", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "website_id", null: false
     t.uuid "post_id"
@@ -246,7 +246,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["website_id"], name: "index_communication_website_imported_posts_on_website_id"
   end
 
-  create_table "communication_website_imported_websites", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_website_imported_websites", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "website_id", null: false
     t.integer "status", default: 0
@@ -256,7 +256,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["website_id"], name: "index_communication_website_imported_websites_on_website_id"
   end
 
-  create_table "communication_website_menu_items", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_website_menu_items", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "website_id", null: false
     t.uuid "menu_id", null: false
@@ -276,7 +276,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["website_id"], name: "index_communication_website_menu_items_on_website_id"
   end
 
-  create_table "communication_website_menus", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_website_menus", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "communication_website_id", null: false
     t.string "title"
@@ -288,7 +288,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_communication_website_menus_on_university_id"
   end
 
-  create_table "communication_website_pages", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_website_pages", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "communication_website_id", null: false
     t.string "title"
@@ -317,7 +317,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_communication_website_pages_on_university_id"
   end
 
-  create_table "communication_website_posts", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_website_posts", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "communication_website_id", null: false
     t.string "title"
@@ -341,7 +341,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_communication_website_posts_on_university_id"
   end
 
-  create_table "communication_websites", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "communication_websites", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.string "name"
     t.string "url"
@@ -388,7 +388,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["priority", "run_at"], name: "delayed_jobs_priority"
   end
 
-  create_table "education_academic_years", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "education_academic_years", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.integer "year"
     t.datetime "created_at", precision: 6, null: false
@@ -403,7 +403,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_person_id", "education_academic_year_id"], name: "index_person_academic_year"
   end
 
-  create_table "education_cohorts", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "education_cohorts", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "program_id", null: false
     t.uuid "academic_year_id", null: false
@@ -424,7 +424,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_person_id", "education_cohort_id"], name: "index_person_cohort"
   end
 
-  create_table "education_diplomas", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "education_diplomas", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.string "name"
     t.string "short_name"
     t.integer "level", default: 0
@@ -437,7 +437,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_education_diplomas_on_university_id"
   end
 
-  create_table "education_programs", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "education_programs", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.string "name"
     t.integer "level"
@@ -497,7 +497,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["education_program_id", "user_id"], name: "index_education_programs_users_on_program_id_and_user_id"
   end
 
-  create_table "education_schools", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "education_schools", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.string "name"
     t.string "address"
@@ -512,7 +512,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_education_schools_on_university_id"
   end
 
-  create_table "imports", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "imports", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.integer "number_of_lines"
     t.jsonb "processing_errors"
     t.integer "kind"
@@ -525,14 +525,14 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["user_id"], name: "index_imports_on_user_id"
   end
 
-  create_table "languages", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "languages", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.string "name"
     t.string "iso_code"
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
   end
 
-  create_table "research_journal_papers", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "research_journal_papers", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.string "title"
     t.datetime "published_at"
     t.uuid "university_id", null: false
@@ -562,7 +562,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["researcher_id"], name: "index_research_journal_papers_researchers_on_researcher_id"
   end
 
-  create_table "research_journal_volumes", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "research_journal_volumes", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "research_journal_id", null: false
     t.string "title"
@@ -581,7 +581,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_research_journal_volumes_on_university_id"
   end
 
-  create_table "research_journals", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "research_journals", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.string "title"
     t.text "description"
@@ -593,7 +593,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_research_journals_on_university_id"
   end
 
-  create_table "research_laboratories", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "research_laboratories", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.string "name"
     t.string "address"
@@ -605,7 +605,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_research_laboratories_on_university_id"
   end
 
-  create_table "research_laboratory_axes", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "research_laboratory_axes", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "research_laboratory_id", null: false
     t.string "name"
@@ -619,7 +619,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_research_laboratory_axes_on_university_id"
   end
 
-  create_table "research_theses", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "research_theses", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "research_laboratory_id", null: false
     t.uuid "author_id", null: false
@@ -637,7 +637,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_research_theses_on_university_id"
   end
 
-  create_table "universities", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "universities", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.string "name"
     t.string "identifier"
     t.string "address"
@@ -661,7 +661,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.jsonb "sso_mapping"
   end
 
-  create_table "university_organizations", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "university_organizations", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.string "name"
     t.string "long_name"
@@ -684,7 +684,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_university_organizations_on_university_id"
   end
 
-  create_table "university_people", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "university_people", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "user_id"
     t.string "last_name"
@@ -720,7 +720,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["user_id"], name: "index_university_people_on_user_id"
   end
 
-  create_table "university_person_experiences", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "university_person_experiences", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "person_id", null: false
     t.uuid "organization_id", null: false
@@ -734,7 +734,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_university_person_experiences_on_university_id"
   end
 
-  create_table "university_person_involvements", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "university_person_involvements", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.uuid "person_id", null: false
     t.integer "kind"
@@ -749,7 +749,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_university_person_involvements_on_university_id"
   end
 
-  create_table "university_roles", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "university_roles", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.string "target_type"
     t.uuid "target_id"
@@ -761,7 +761,7 @@ ActiveRecord::Schema.define(version: 2022_10_03_144016) do
     t.index ["university_id"], name: "index_university_roles_on_university_id"
   end
 
-  create_table "users", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+  create_table "users", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "university_id", null: false
     t.string "first_name"
     t.string "last_name"
diff --git a/docs/extranet/readme.md b/docs/extranet/readme.md
deleted file mode 100644
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-# Osuny Extranet
-
-## Alumni
-