diff --git a/app/ldap/server/ldap.js b/app/ldap/server/ldap.js
index c18370b09ce..0739e688027 100644
--- a/app/ldap/server/ldap.js
+++ b/app/ldap/server/ldap.js
@@ -2,6 +2,7 @@ import { Meteor } from 'meteor/meteor';
 import ldapjs from 'ldapjs';
 import Bunyan from 'bunyan';
 
+import { callbacks } from '../../callbacks/server';
 import { settings } from '../../settings';
 import { Logger } from '../../logger';
 
@@ -376,6 +377,8 @@ export default class LDAP {
 	searchAllPaged(BaseDN, options, page) {
 		this.bindIfNecessary();
 
+		({ BaseDN, options } = callbacks.run('ldap.beforeSearchAll', { BaseDN, options }));
+
 		const processPage = ({ entries, title, end, next }) => {
 			logger.search.info(title);
 			// Force LDAP idle to wait the record processing
@@ -425,8 +428,8 @@ export default class LDAP {
 						title: 'Final Page',
 						end: true,
 					});
+					entries = [];
 				} else if (entries.length) {
-					logger.search.info('Page');
 					processPage({
 						entries,
 						title: 'Page',
@@ -453,6 +456,8 @@ export default class LDAP {
 	searchAllAsync(BaseDN, options, callback) {
 		this.bindIfNecessary();
 
+		({ BaseDN, options } = callbacks.run('ldap.beforeSearchAll', { BaseDN, options }));
+
 		this.client.search(BaseDN, options, (error, res) => {
 			if (error) {
 				logger.search.error(error);
diff --git a/app/ldap/server/sync.js b/app/ldap/server/sync.js
index e9ff3a30a45..5a17a64f9e8 100644
--- a/app/ldap/server/sync.js
+++ b/app/ldap/server/sync.js
@@ -5,6 +5,7 @@ import { SyncedCron } from 'meteor/littledata:synced-cron';
 import _ from 'underscore';
 
 import LDAP from './ldap';
+import { callbacks } from '../../callbacks/server';
 import { RocketChatFile } from '../../file';
 import { settings } from '../../settings';
 import { Notifications } from '../../notifications';
@@ -16,7 +17,7 @@ import { FileUpload } from '../../file-upload';
 import { addUserToRoom, removeUserFromRoom, createRoom } from '../../lib/server/functions';
 
 
-const logger = new Logger('LDAPSync', {});
+export const logger = new Logger('LDAPSync', {});
 
 export function isUserInLDAPGroup(ldap, ldapUser, user, ldapGroup) {
 	const syncUserRolesFilter = settings.get('LDAP_Sync_User_Data_Groups_Filter').trim();
@@ -531,7 +532,7 @@ export function importNewUsers(ldap) {
 	}));
 }
 
-function sync() {
+export function sync() {
 	if (settings.get('LDAP_Enable') !== true) {
 		return;
 	}
@@ -562,9 +563,9 @@ function sync() {
 
 				if (ldapUser) {
 					syncUserData(user, ldapUser, ldap);
-				} else {
-					logger.info('Can\'t sync user', user.username);
 				}
+
+				callbacks.run('ldap.afterSyncExistentUser', { ldapUser, user });
 			});
 		}
 	} catch (error) {
diff --git a/app/ldap/server/syncUsers.js b/app/ldap/server/syncUsers.js
index 8713c8973e5..d1f873af86d 100644
--- a/app/ldap/server/syncUsers.js
+++ b/app/ldap/server/syncUsers.js
@@ -1,6 +1,6 @@
 import { Meteor } from 'meteor/meteor';
 
-import { importNewUsers } from './sync';
+import { sync } from './sync';
 import { hasRole } from '../../authorization';
 import { settings } from '../../settings';
 
@@ -21,7 +21,7 @@ Meteor.methods({
 
 		this.unblock();
 
-		importNewUsers();
+		sync();
 
 		return {
 			message: 'Sync_in_progress',
diff --git a/app/lib/server/functions/setUserActiveStatus.js b/app/lib/server/functions/setUserActiveStatus.js
new file mode 100644
index 00000000000..5a432d8cb76
--- /dev/null
+++ b/app/lib/server/functions/setUserActiveStatus.js
@@ -0,0 +1,46 @@
+import { check } from 'meteor/check';
+import { Accounts } from 'meteor/accounts-base';
+
+import * as Mailer from '../../../mailer';
+import { Users, Subscriptions } from '../../../models';
+import { settings } from '../../../settings';
+
+export function setUserActiveStatus(userId, active) {
+	check(userId, String);
+	check(active, Boolean);
+
+	const user = Users.findOneById(userId);
+
+	if (!user) {
+		return false;
+	}
+
+	Users.setUserActive(userId, active);
+
+	if (user.username) {
+		Subscriptions.setArchivedByUsername(user.username, !active);
+	}
+
+	if (active === false) {
+		Users.unsetLoginTokens(userId);
+	} else {
+		Users.unsetReason(userId);
+	}
+	if (active && !settings.get('Accounts_Send_Email_When_Activating')) {
+		return true;
+	}
+	if (!active && !settings.get('Accounts_Send_Email_When_Deactivating')) {
+		return true;
+	}
+
+	const destinations = Array.isArray(user.emails) && user.emails.map((email) => `${ user.name || user.username }<${ email.address }>`);
+
+	const email = {
+		to: destinations,
+		from: settings.get('From_Email'),
+		subject: Accounts.emailTemplates.userActivated.subject({ active }),
+		html: Accounts.emailTemplates.userActivated.html({ active, name: user.name, username: user.username }),
+	};
+
+	Mailer.sendNoWrap(email);
+}
diff --git a/server/methods/setUserActiveStatus.js b/server/methods/setUserActiveStatus.js
index 2328d79d54c..d06e2aea0f3 100644
--- a/server/methods/setUserActiveStatus.js
+++ b/server/methods/setUserActiveStatus.js
@@ -1,11 +1,8 @@
 import { Meteor } from 'meteor/meteor';
 import { check } from 'meteor/check';
-import { Accounts } from 'meteor/accounts-base';
 
-import * as Mailer from '../../app/mailer';
 import { hasPermission } from '../../app/authorization';
-import { Users, Subscriptions } from '../../app/models';
-import { settings } from '../../app/settings';
+import { setUserActiveStatus } from '../../app/lib/server/functions/setUserActiveStatus';
 
 Meteor.methods({
 	setUserActiveStatus(userId, active) {
@@ -24,42 +21,7 @@ Meteor.methods({
 			});
 		}
 
-		const user = Users.findOneById(userId);
-
-		if (!user) {
-			return false;
-		}
-
-		Users.setUserActive(userId, active);
-
-		if (user.username) {
-			Subscriptions.setArchivedByUsername(user.username, !active);
-		}
-
-		if (active === false) {
-			Users.unsetLoginTokens(userId);
-		} else {
-			Users.unsetReason(userId);
-		}
-		if (active && !settings.get('Accounts_Send_Email_When_Activating')) {
-			return true;
-		}
-		if (!active && !settings.get('Accounts_Send_Email_When_Deactivating')) {
-			return true;
-		}
-
-		const destinations = Array.isArray(user.emails) && user.emails.map((email) => `${ user.name || user.username }<${ email.address }>`);
-
-
-		const email = {
-			to: destinations,
-			from: settings.get('From_Email'),
-			subject: Accounts.emailTemplates.userActivated.subject({ active }),
-			html: Accounts.emailTemplates.userActivated.html({ active, name: user.name, username: user.username }),
-		};
-
-		Mailer.sendNoWrap(email);
-
+		setUserActiveStatus(userId, active);
 
 		return true;
 	},