Error trying to join AD, error code [42502]

在將VCSA（vCenter Server Appliance）用下列的步驟加入AD domain

1. 三條線 > Administrator > Single Sign On > Configuration 
2. Identity Provider > Active Directory Domain > JOIN AD
1. Domain設DOMAIN.COM
2. User設USERNAME@domain.com

出現了下列的錯誤訊息：

Majestic views from above.

A birds eye view overlooking an ancient fantasy city surrounded by mountains and trees of greens and browns, rivers and lakes by Jordan Grimmer, Asher Brown Durand and Ryan Dening, 8k, artstation, beautiful color pallette, Japanese style

Windows上看DNS服務用Get-DnsClientServerAddress

【DNS】Windows查看和清理DNS缓存在Windows裡面要看DNS被設定到查詢哪些機器，可用PowerShell指令：

1. Get-DnsClientServerAddress
2. Get-DnsClientServerAddress -AddressFamily IPv4
3. Get-DnsClientServerAddress -AddressFamily IPv6

上述指令的意思是：

解鎖VBAProject密碼

打開一個有用VBA寫巨集的Excel（副檔名是.xlsm），用下列快速鍵打開VBA編輯器：

• Alt-F11

出現了下列視窗，代表該巨集已經被密碼鎖定了

刪除該密碼的方式如下：

City lights, endless nights.

Aquatint of a landscape of a Sexy desktop wallpaper in Gotham, at twilight, Peaceful, Gadgetpunk, MOBA style, absurdres, highly detailed, art by Jonas De Ro, perfection, masterpiece

E-mail服務的角色MUA, MTA, MDA

電子郵件在現代的角色可以等同正式文書，以下是E-mail服務裡面的幾個角色：

• Mail User Agent (MUA)：使用者本機上寫信收信的程式，像是Outlook等
• Mail Transfer Agent (MTA)：類似本地郵局寄到其他分局的程式。UNIX裡面的Postfix、Exim等，收到由MTU送來的信後，根據信件位址轉送到目的地的MTA。
• Direct Send：直接送到目的地MTA
• SMTP Relay：轉送別人信件的MTA。通常信件不會直送到對方的MTA，所以會有所謂的中繼站台，這些中繼站台是所謂的relay MTA

Nature's fiery spectacle!

A ultradetailed beautiful concept art of the crystal formation of the prismatic crystal of hope is filled with the wonderful colors of the emotion around it in a forgotten cave lighten by the moon light and reflecting on the surface of a quiet lake, concept art, high resolution, 4k, by Artgerm