Well, as the title showing and “Notes page” describe it, here I’ll post what I’m found during my searches or my works and on my learning path.
These Information would be contain notes, tips & tricks, KBs and tools; this list would grow day by day, so you can check this page again for updates.

Microsoft Windows:
1. cumulative time zone update for Windows operating systems [type: KB | link]
2. Remote Server Administration Tools for Windows 7 [type: Tools | link]
3. Teredo and clustering [type: Note | link]
4. Assign “Log On locally” Rights to Windows Domain Controller [type: Note | link]

SQL Server:
1. How to open the firewall port for SQL Server on Windows Server 2008, check this link.

Exchange Server:
1. For Exchange 2007 Mailbox Server Role Storage Requirements Calculator spreadsheet, link.