Microsoft published step-by-step instructions for migrating to Windows Small Business Server 2008 from Windows Small Business Server 2003. This is very useful guide. You can download it from here.

Microsoft Exchange Server 2003 and Windows Server 2003 Service Pack 1 will not be supported any longer. These products have reached the end of their lifecycle on 4/14/2009.

How to add computers do Active Directory remotely?
Sometimes we must add many computers to Active Directory and we don?t have time to do this or computers are located in other City.
This post explains how to add computers to Active Directory remotely without touch this computers.
Step 1. Prepare text file contains computers IP addresses or computers [...]

During submition of a certificate request on a Certification Authority server when you use Certification Authority console, you can see this error:
The request contains no certificate template information. 0×80094801 (-2146875391) Denied by Policy Module 0×80094801, The request does not contain a certificate template extension or the Certificate Template request attribute.

The Directory Restore Safe Mode (DSRM) administrator password is set up during the promotion process for the domain controller. To change this password you can use Microsoft NTDSUTIL tool.
 
Steps to reset DSRM password

Click Start and Run.

Type ntdsutil and click OK.

Type the following command: set dsrm password.

Type one of the following commands:
1. reset password on server [...]

You can assign logon script to a certain user or configure it by Group Policy. Use “Profile” tab from user’s properties in Active Directory console (ADUC). It applies to workstations from operating systems like: Windows 95, Windows 98, Windows ME, Windows NT. Group Policy script allows for a user logon script configuration for operating [...]

How to display name of servers where FSMO roles are installed?
You must run command: netdom query /Domain:[domain.name] fsmo
For example:
C:\Documents and Settings\Administrator>netdom query /Domain:contoso.local fsmo
Schema owner DC1.contoso.local
Domain role owner DC1.contoso.local
PDC role [...]

How to enable Remote Desktop Connection Using GPO
You must enable settings ??oAllow users to connect remotely using Terminal Services??? from
Computer Configuration -> Administrative Templates -> Windows Components -> Terminal Services

When You auto deploying Microsoft Forefront Client and on some computers installation fault. You should view log files on this computer \\computer name\c$\Program Files\Microsoft Forefront\Client Security\Client\Logs\Clientsetup.txt
Same examples from one computer:
2008-10-23 21:10:21 Microsoft Forefront Client Security (1.0.1703.0) — Installation started
2008-10-23 21:10:21 Hardware requirement check passed.
2008-10-23 21:10:21 OS requirement check passed.
2008-10-23 21:10:21 [...]

I installed Active Directory same time ago. Client have two office than I installed two domain controller and make two sites.

After promoted second server DC2 to domain controller I found some errors in event log:
Event Type: Error
Event Source: DCOM
Event Category: None
Event ID: 10009
Date: 2008-10-20
Time: 16:44:06
User: N/A
Computer: DC2
Description:
DCOM was unable to communicate with the computer dc1 using any of the configured protocols.
Event Type: Error
Event [...]