diff --git a/ogWebconsole/src/app/components/groups/components/client-main-view/partition-assistant/partition-assistant.component.css b/ogWebconsole/src/app/components/groups/components/client-main-view/partition-assistant/partition-assistant.component.css
index a069c39..c837aaa 100644
--- a/ogWebconsole/src/app/components/groups/components/client-main-view/partition-assistant/partition-assistant.component.css
+++ b/ogWebconsole/src/app/components/groups/components/client-main-view/partition-assistant/partition-assistant.component.css
@@ -644,6 +644,41 @@
   background-color: #c82333;
 }
 
+/* EXTENDED partition row */
+.extended-row {
+  background-color: #fff8e1 !important;
+  border-left: 4px solid #ffa000;
+}
+
+.extended-row td {
+  border-bottom: 1px solid #ffe082;
+}
+
+/* Logical partitions (inside EXTENDED) */
+.logical-row {
+  background-color: #fffde7 !important;
+  border-left: 4px solid #ffd54f;
+}
+
+.logical-row td {
+  border-bottom: 1px solid #fff9c4;
+}
+
+.logical-indent {
+  color: #ffa000;
+  font-size: 14px;
+  margin-right: 4px;
+  font-weight: bold;
+}
+
+/* Disabled size inputs */
+.partition-table input[type="number"]:disabled {
+  background-color: #f5f5f5;
+  color: #9e9e9e;
+  cursor: not-allowed;
+  border-color: #e0e0e0;
+}
+
 .chart-container {
   flex: 0 0 280px;
   max-width: 280px;
diff --git a/ogWebconsole/src/app/components/groups/components/client-main-view/partition-assistant/partition-assistant.component.html b/ogWebconsole/src/app/components/groups/components/client-main-view/partition-assistant/partition-assistant.component.html
index 7774acf..240771b 100644
--- a/ogWebconsole/src/app/components/groups/components/client-main-view/partition-assistant/partition-assistant.component.html
+++ b/ogWebconsole/src/app/components/groups/components/client-main-view/partition-assistant/partition-assistant.component.html
@@ -187,8 +187,15 @@
           </thead>
           <tbody>
             <ng-container *ngFor="let partition of selectedDisk.partitions; let j = index">
-              <tr *ngIf="!partition.removed">
-                <td>{{ partition.partitionNumber }}</td>
+              <tr *ngIf="!partition.removed"
+                  [ngClass]="{
+                    'extended-row': partition.partitionCode === 'EXTENDED',
+                    'logical-row': isLogicalPartition(selectedDisk.partitions, j)
+                  }">
+                <td>
+                  <span *ngIf="isLogicalPartition(selectedDisk.partitions, j)" class="logical-indent">└</span>
+                  {{ partition.partitionNumber }}
+                </td>
                 <td>
                   <select [(ngModel)]="partition.partitionCode" required>
                     <option *ngFor="let type of partitionTypes" [value]="type.name">
@@ -205,10 +212,12 @@
                 </td>
                 <td>
                   <input type="number" [(ngModel)]="partition.size" required
+                    [disabled]="partition.partitionCode === 'EXTENDED'"
                     (input)="updatePartitionSize(selectedDisk.diskNumber, j, partition.size)" />
                 </td>
                 <td>
                   <input type="number" [(ngModel)]="partition.percentage"
+                    [disabled]="partition.partitionCode === 'EXTENDED'"
                     (input)="updatePartitionSizeFromPercentage(selectedDisk.diskNumber, j, partition.percentage)" />
                 </td>
                 <td>
diff --git a/ogWebconsole/src/app/components/groups/components/client-main-view/partition-assistant/partition-assistant.component.ts b/ogWebconsole/src/app/components/groups/components/client-main-view/partition-assistant/partition-assistant.component.ts
index f42c7ff..bc955b0 100644
--- a/ogWebconsole/src/app/components/groups/components/client-main-view/partition-assistant/partition-assistant.component.ts
+++ b/ogWebconsole/src/app/components/groups/components/client-main-view/partition-assistant/partition-assistant.component.ts
@@ -892,11 +892,20 @@ export class PartitionAssistantComponent implements OnInit, AfterViewInit, OnDes
 
   private recalculatePartitionNumbers(partitions: Partition[]): void {
     const activePartitions = partitions.filter(partition => !partition.removed);
-    
+
     activePartitions.sort((a, b) => a.partitionNumber - b.partitionNumber);
-    
+
     activePartitions.forEach((partition, index) => {
       partition.partitionNumber = index + 1;
     });
   }
+
+  isLogicalPartition(partitions: Partition[], currentIndex: number): boolean {
+    for (let i = 0; i < currentIndex; i++) {
+      if (!partitions[i].removed && partitions[i].partitionCode === 'EXTENDED') {
+        return true;
+      }
+    }
+    return false;
+  }
 }
diff --git a/ogWebconsole/src/app/components/groups/groups.component.html b/ogWebconsole/src/app/components/groups/groups.component.html
index b52e653..7102ce4 100644
--- a/ogWebconsole/src/app/components/groups/groups.component.html
+++ b/ogWebconsole/src/app/components/groups/groups.component.html
@@ -320,6 +320,14 @@
                 [buttonText]="'ejecutarComandos' | translate" [disabled]="selection.selected.length === 0"
                 [runScriptContext]="getRunScriptContext(selection.selected)"></app-execute-command>
             </div>
+
+            <button *ngIf="classroomCalendarUuid && !syncingUds" class="action-button" (click)="syncUds($event)"
+              matTooltip="Sincronizar calendarios con UDS" matTooltipShowDelay="500">
+              <mat-icon>sync</mat-icon>
+              Sincronizar con UDS
+            </button>
+            <mat-spinner *ngIf="syncingUds" diameter="24" style="margin: 0 8px;"></mat-spinner>
+
             <button class="action-button delete-button" [disabled]="selection.selected.length === 0" (click)="deleteMultipleClients($event)"
             matTooltip="{{ 'deleteMultipleClientsTooltip' | translate }}" matTooltipShowDelay="1000">
               <mat-icon>delete</mat-icon>
diff --git a/ogWebconsole/src/app/components/groups/groups.component.ts b/ogWebconsole/src/app/components/groups/groups.component.ts
index 67be18e..8ae2cc6 100644
--- a/ogWebconsole/src/app/components/groups/groups.component.ts
+++ b/ogWebconsole/src/app/components/groups/groups.component.ts
@@ -80,6 +80,7 @@ export class GroupsComponent implements OnInit, OnDestroy {
   selectedTreeFilter = '';
   syncingClientIds = new Set<string>();
   isCheckingNodeStatus = false;
+  syncingUds = false;
   private originalTreeData: TreeNode[] = [];
   arrayClients: any[] = [];
   filters: { [key: string]: string } = {};
@@ -1377,4 +1378,29 @@ export class GroupsComponent implements OnInit, OnDestroy {
     dialogRef.afterClosed().subscribe(() => {
     });
   }
+
+  get classroomCalendarUuid(): string | null {
+    const client = this.selectedClients.data.find((c: any) => c.organizationalUnit?.remoteCalendar?.uuid);
+    return (client as any)?.organizationalUnit?.remoteCalendar?.uuid || null;
+  }
+
+  syncUds(event: MouseEvent): void {
+    event.stopPropagation();
+    const uuid = this.classroomCalendarUuid;
+    if (!uuid) {
+      this.toastr.warning('Este nodo no tiene un calendario remoto asociado');
+      return;
+    }
+    this.syncingUds = true;
+    this.http.post(`${this.baseUrl}/remote-calendars/${uuid}/sync-uds`, {}).subscribe({
+      next: () => {
+        this.toastr.success(this.translate.instant('calendarsSynchronizedCorrectly'));
+        this.syncingUds = false;
+      },
+      error: (error: any) => {
+        this.toastr.error(error.error?.['hydra:description'] || 'Error al sincronizar con UDS');
+        this.syncingUds = false;
+      }
+    });
+  }
 }