diff --git a/scripts/langindex.json b/scripts/langindex.json
index fc60c508f..fd18b45de 100644
--- a/scripts/langindex.json
+++ b/scripts/langindex.json
@@ -1520,6 +1520,7 @@
   "core.confirmloss": "local_moodlemobileapp",
   "core.confirmopeninbrowser": "local_moodlemobileapp",
   "core.considereddigitalminor": "moodle",
+  "core.contactsupport": "local_moodlemobileapp",
   "core.content": "moodle",
   "core.contenteditingsynced": "local_moodlemobileapp",
   "core.contentlinks.chooseaccount": "local_moodlemobileapp",
diff --git a/src/core/classes/errors/siteerror.ts b/src/core/classes/errors/siteerror.ts
index a459a0257..57ab96d42 100644
--- a/src/core/classes/errors/siteerror.ts
+++ b/src/core/classes/errors/siteerror.ts
@@ -13,6 +13,8 @@
 // limitations under the License.
 
 import { CoreError } from '@classes/errors/error';
+import { CoreSitePublicConfigResponse } from '@classes/site';
+import { CoreUserSupport } from '@features/user/services/support';
 
 /**
  * Error returned when performing operations regarding a site (check if it exists, authenticate user, etc.).
@@ -22,20 +24,52 @@ export class CoreSiteError extends CoreError {
     errorcode?: string;
     critical?: boolean;
     loggedOut?: boolean;
+    contactSupport?: boolean;
+    siteConfig?: CoreSitePublicConfigResponse;
 
-    constructor(protected error: SiteError) {
-        super(error.message);
+    constructor(options: CoreSiteErrorOptions) {
+        super(options.message);
 
-        this.errorcode = error.errorcode;
-        this.critical = error.critical;
-        this.loggedOut = error.loggedOut;
+        this.errorcode = options.errorcode;
+        this.critical = options.critical;
+        this.loggedOut = options.loggedOut;
+        this.contactSupport = options.contactSupport;
+        this.siteConfig = options.siteConfig;
+    }
+
+    /**
+     * Get a url to contact site support.
+     *
+     * @returns Support page url.
+     */
+    getSupportPageUrl(): string {
+        if (!this.siteConfig) {
+            throw new CoreError('Can\'t get support page url');
+        }
+
+        return CoreUserSupport.getSupportPageUrl(this.siteConfig);
+    }
+
+    /**
+     * Check whether the handling of this error allows users to contact support or not.
+     *
+     * @returns Whether to contact support or not.
+     */
+    canContactSupport(): boolean {
+        if (!this.contactSupport || !this.siteConfig) {
+            return false;
+        }
+
+        return CoreUserSupport.canContactSupport(this.siteConfig);
     }
 
 }
 
-export type SiteError = {
+export type CoreSiteErrorOptions = {
     message: string;
     errorcode?: string;
     critical?: boolean; // Whether the error is important enough to abort the operation.
     loggedOut?: boolean; // Whether site has been marked as logged out.
+    contactSupport?: boolean;
+    siteConfig?: CoreSitePublicConfigResponse;
 };
diff --git a/src/core/features/login/pages/site/site.ts b/src/core/features/login/pages/site/site.ts
index 9d900b2f2..5d26319d4 100644
--- a/src/core/features/login/pages/site/site.ts
+++ b/src/core/features/login/pages/site/site.ts
@@ -40,6 +40,8 @@ import { CoreCustomURLSchemes, CoreCustomURLSchemesHandleError } from '@services
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreForms } from '@singletons/form';
 import { AlertButton } from '@ionic/core';
+import { CoreSiteError } from '@classes/errors/siteerror';
+import { CoreUserSupport } from '@features/user/services/support';
 
 /**
  * Site (url) chooser when adding a new site.
@@ -382,6 +384,13 @@ export class CoreLoginSitePage implements OnInit {
      */
     protected showLoginIssue(url: string | null, error: CoreError): void {
         let errorMessage = CoreDomUtils.getErrorMessage(error);
+        let siteExists = false;
+        let supportPageUrl: string | null = null;
+
+        if (error instanceof CoreSiteError) {
+            siteExists = !!error.siteConfig;
+            supportPageUrl = error.canContactSupport() ? error.getSupportPageUrl() : null;
+        }
 
         if (errorMessage == Translate.instant('core.cannotconnecttrouble')) {
             const found = this.sites.find((site) => site.url == url);
@@ -392,19 +401,25 @@ export class CoreLoginSitePage implements OnInit {
         }
 
         let message = '<p>' + errorMessage + '</p>';
-        if (url) {
+        if (!siteExists && url) {
             const fullUrl = CoreUrlUtils.isAbsoluteURL(url) ? url : 'https://' + url;
             message += '<p padding><a href="' + fullUrl + '" core-link>' + url + '</a></p>';
         }
 
         const buttons: AlertButton[] = [
-            {
-                text: Translate.instant('core.needhelp'),
-                cssClass: 'core-login-need-help',
-                handler: (): void => {
-                    this.showHelp();
+            supportPageUrl
+                ? {
+                    text: Translate.instant('core.contactsupport'),
+                    handler: () => CoreUserSupport.contact({
+                        supportPageUrl,
+                        subject: Translate.instant('core.cannotconnect', { $a: CoreSite.MINIMUM_MOODLE_VERSION }),
+                    }),
+                }
+                : {
+                    text: Translate.instant('core.needhelp'),
+                    cssClass: 'core-login-need-help',
+                    handler: () => this.showHelp(),
                 },
-            },
             {
                 text: Translate.instant('core.tryagain'),
                 role: 'cancel',
diff --git a/src/core/lang.json b/src/core/lang.json
index 4a6262737..94aff25d5 100644
--- a/src/core/lang.json
+++ b/src/core/lang.json
@@ -54,6 +54,7 @@
     "confirmloss": "Are you sure? All changes will be lost.",
     "confirmopeninbrowser": "Do you want to open it in a web browser?",
     "considereddigitalminor": "You are too young to create an account on this site.",
+    "contactsupport": "Contact support",
     "content": "Content",
     "contenteditingsynced": "The content you are editing has been synced.",
     "continue": "Continue",
diff --git a/src/core/services/sites.ts b/src/core/services/sites.ts
index c6d56dffd..d9dd0a655 100644
--- a/src/core/services/sites.ts
+++ b/src/core/services/sites.ts
@@ -299,11 +299,15 @@ export class CoreSitesProvider {
             throw new CoreSiteError({
                 message: Translate.instant('core.login.webservicesnotenabled'),
                 critical: true,
+                contactSupport: true,
+                siteConfig: config,
             });
         } else if (!config.enablemobilewebservice) {
             throw new CoreSiteError({
                 message: Translate.instant('core.login.mobileservicesnotenabled'),
                 critical: true,
+                contactSupport: true,
+                siteConfig: config,
             });
         } else if (config.maintenanceenabled) {
             let message = Translate.instant('core.sitemaintenance');