Chetta Busayarat

Unifi: Set VLAN on unifi switch and UAP

Set unifi switch vlan and UAP VLAN WiFi on unifi controller. This example will using Mikrotik sent tagged (Trunk), (VLAN ID 1, 101, 102, 200) to unifi switch and from this switch connect to UAP (Untagged VLAN ID 102), and LAN port will untagged VLAN ID 101. 1. Tagged VLAN

How to activate the extend warranty (EW201) for SYNOLOGY NAS

วิธีการขยายระยะเวลารับประกัน (Extended Warranty For Mainstream Device - EW201) สำหรับ Synology NAS - DS925+ (ในประเทศไทย) เนื่องจากประกันแบบ Extended Warranty Plus ไม่รองรับในประเทศไทย การขยายเวลารับประกันจึงไม่สามารถกดขยายที่ในหน้า web console ของ NAS เองได้ นี่คือวิธีการขยายระยะเวลารับประกันแบบ EW201 จาก 3

SSH to Unifi Switch check statistics on specific port

SSH to US 48 POE 500W to check statistics on specific port and command to explore information on the switch. Here are the steps for example 1. Open command prompt. 2. SSH to switch (ssh user@ipaddress) 3. Enter the password 4. Now enter to switch 5. Check command by

How to handle the Security Warning window when connecting a computer via RDP file

For those who work remotely (Work from Anywhere) or in IT who frequently need to remotely manage servers, you've probably encountered this situation: You double-click a saved .rdp file, but instead of being directed to the login screen, a security warning pops up every time, stating "Unknown

Microsoft Outlook get errors to synchronizeing Gmail (Classic Outlook)

Some user report that their outlook suddenly block from receiving email. When force send&receive show error (0x800CCC0E). This user using the company gmail account (IMAP) on the Microsoft Outlook (Apps for Business Package). Error look like this. Microsoft Outlook Version. To fix this try the following steps: Remove

FortiGate: Some user (In middle east - Asia) strucking while connecting VPN IPSec via FortiClient

We found some client site (Middel East - Asia) in Saudi Arabia and Dubai cannot connect IPSec VPN to host in Thailand. It will strucking with connecting status after enter the password. Cause: It may cause of some .dll missing for windows update. This may fixed by install the C+

Synology: How to Back Up Your Synology NAS to Another NAS with Hyper Backup

This sample show how to backup the data in synology nas to another nas by hyper backup. Hyper backp can backup to multiple of target (Folders and Packages: Synology Hyper Backup Archive, Entire System: Remote NAS, C2 Storage, LUNs: Local NAS, Remote NAS, USB) 1. Login to synology nas web

O365: Custom install only outlook by office deployment tool (ODT)

Microsoft office 365, to install application on computer with only some application. In this example will use ODT helpto install only MS Outlook on the computer. 1. Download office deployment tools (ODT), (https://www.microsoft.com/en-us/download/details.aspx?id=49117) 2. Go to web site (config.office.com)

Microsoft365: Check storage for Exchange mailbox usage and OneDrive

Check all users for storage usage on Microsoft 365 admin center. 1. Login to "Microsoft 365 admin center". 2. Click "Show all". 3. Select "Report" > "Usage". 4. Select "Exchange". 5. Select "Mailbox usage". 6. List of user

FortiGate: Add Widget to view active users for SSL-VPN

To preview overall about SSL-VPN user for current session. This Widget will help to monitor this. 1. Login to Fortigate web console. 2. Goto "Dashboard" > "Status". 3. "Add Widget". 4. "Network" > "SSL-VPN". 5. Click "Add Widget"

Atlas: The menu in Excel is disappear

AX4 with Atlas, in excel file to pull report sometime menu "Atlas 5.1" is disappear and make excel file can not pull report. Here is basic step to check when menu is disappear by checking status Add-ins on excel options. 1. Check service "Atlas" is

Synology: Check Duplicate Files with Storage Analyzer

Storage Aanlyzer is add-on package allows you to have a quick glance at the overall usage trends of your Synology NAS, create and manage tasks to analyze storage spaces, and generate detailed reports on volume usage. This sample will use Storage Analyzer to defind the duplicates file on the volume

O365: Create White list domain (Allow list) in Exchange online with Mail Flow Rule

To create or allow trusted domain on Exchange online by Mail Flow Rule. 1. Login to microsoft admin portal: admin.exchange.microsoft.com 2. Goto "Mail Flow" > "Rules" > "Add a rule" 3. "Create a new rule" 4. Name and set

Kaspersky: Add trusted address on Kaspersky Endpoint Security

Add trusted addres to Kaspersky Endpoint Security 11 to allow to by pass the IP/URL from scan or block (This example used version 11). 1. Open "Kaspersky Endpoint Security" 2. "Kaspersky Security Center 11" > "Administration Server KAS" > "Manage Device"

Kaspersky: Add more password protect user on Kaspersky to set or management setting

Default user for enable password protection on kaspersky endpoint security is KLAdmin. Also when to disable or exit the Kaspersky Endpoint security on the client computer it need to use this password. So, this will show to how to add more users on kespersky endpoint security. 1. Open "Kaspersky

FortiClient VPN: How to Fix Internet Connectivity Issues While Waiting for FortiClient 2FA Emails (IPSec)

If a user is connecting to FortiClient VPN via IPSec with Two-Factor Authentication (2FA) enabled, they may encounter a common issue: the internet connection drops immediately after entering the username and password. This happens while the "Token" prompt is visible, preventing the user from accessing their webmail on

Mikrotik Netinstall on RB2011UiAS-RM

Example to netinstall Mikrotik RB2011UiAS-RM with routeros 7.21 Pre-request 1. Download Router OS file (.npk) and program netinstall from mikrotik website (RB2011UiAS-RM = MIPSB) 2. Computer 3. Mikrotik 4. Network cable Computer pre-setup 1. On the computer, disable firewall and disable network interface, Keep only lan for connect to Mikrotik.

Backup/Export active directory group policy on Windows Server

Backup or export the active directory group policy from Windows Server 2016 STD. For backup and restore. 1. Open Group Policy Management 2. Group Plicy Objects 3. Right-click > Back Up All... 4. Select backup location and description 5. Backup Policy Files. Can use this file to restore.

How to Use Gmail Schedule Send on Desktop (2025 Update)

Set schedule send the email message in gmail on web. This can manual specific date and time. 1. Login to gmail on the web browser. 2. Compose email. 3. Email message. 4. On send button > Arrow down > select 5. Select date time to schedule send. 6. Also can

How to Enable 2FA (by phone number-text message) on Your Gmail Account: A Step-by-Step Guide

1. Login to you gmail account. 2. On top right, go to your manu > "Manage your Google Account". 3. Security & Sign-in 4. 2-Step Verification 5. Select second steps for verification (This will try "Phone number"). 6. Add phone number 7. Enter the phone number

Chrome Remote Desktop

Used chrome remote desktop to share your screen. Note: Chrome need to sign-in with google account. 1. Open "Chrome". 2. Go to "Custome and control Google Chrome" > "Extensions" > "Visit Chrome Web Store". 3. Search "Chrome Remote Desktop". 4.

Disable Private Wi-Fi mac address on MacOS (v.15)

On some private network. Before client can connect need to register the device mac address is call (Mac Filter List / Mac Address Filter). But if MacOS default is set as "Fixed". If you check Mac Address from hardware it will difference one as fixed will used the private

Recovery Server (Domain Controller) from Window Server Backup - full backup (Bare metal recovery) - Part1

Pre setting for system to recovery: - Windows Server Media boot (USB, CD, ISO). - Bare Metal Recovery Backup (From production server). - Server to restore to it need hard drive space equal to or greater than orginal server (Source Volume),* (Example: If original volume SYSTEM (C:) size 500GB, the

Remote install Kaspersky network agent and Kaspersky Endpoint Security from Kaspersky Security Center 11

Remote install Kaspersky network agent and Kaspersky Endpoint Security from Kaspersky Security Center 11 by specific IP Address on the same domain network. 1. "New task" to create task for remote install Kaspersky. 2. Select task type "Install application remotely". and "Next". 3. Select

Open TCP/IP port 5985 on windows server 2008 R2 STD

To open port 5985 is to setup winrm for allow connection on port 5985. Here is how to open it. 1. Check port status by nmap command to the server. 2. Test connection with power shell command to the server. 3. Open command prompt as admin 4. Run this command