ActiveSync stop working.

When you check by:

https://COMPANYURL/Microsoft-Server-ActiveSync

you receive error and not asking login/password

Usually it is happend after exhange update.

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\CONFIG\enterprisesec.config was corrupt.

Move enterprisesec.config and security.config files away and restart IIS.

Once that was done, EMC. OWA and most other problems went away.

SBS 2011, like SBS 2008, is designed to fully support IPv6 and has IPv6 enabled by default.  Most users should never need to disable IPv6, however if you must disable IPv6 here is how to disable it properly:

Important: This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base: 322756 (http://support.microsoft.com/kb/322756/)

1. Uncheck Internet Protocol Version 6 (TCP/IPv6) on your Network Card.
2. In Registry Editor, locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters\
3. Double-click DisabledComponents to modify the DisabledComponents entry.
   Note If the DisabledComponents entry is unavailable, you must create it. To do this, follow these steps.
   • In the Edit menu, point to New, and then click DWORD (32-bit) Value.
   • Type DisabledComponents, and then press ENTER.
   • Double-click DisabledComponents.
   • Enter "ffffffff" (eight f’s), and then click OK:
   • Reboot the SBS 2011 server. RRAS (VPN) Note: If you plan to enable VPN on your SBS 2011 server, you MUST also Export and then Delete the following registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RemoteAccess\RouterManagers\Ipv6

If you do not delete this key you will get an 20103 Event when trying to start RRAS with IPv6 disabled.  You must reboot after removing this key.

SBS2003

C:\Documents and Settings\All Users\Application Data\Microsoft\SmallBusinessServer\Administration\itprosbsconsole.msc.

SBS2011

C:\Program Files\Windows Small Business Server\Bin\console.exe

http://support.microsoft.com/?id=829622

Microsoft Windows Small Business Server 2003 Best Practices Analyzer

http://www.microsoft.com/downloads/...7A-DE19-49BB-800F-352F3B6F2922&displaylang=en

Exchange 2013:

Exchange 2007/2010:

Open Exchange Management Console.

• Click on the '+' next to Organization Configuration.
• Select Hub Transport and select the 'Send Connectors' tab.
• Right-click on the existing Send Connector, select 'Properties' and go to the Network tab.
• Select "Route mail through the following smart hosts:" and click 'Add'.

Exchange 2000/2003:

Open Exchange System Manager.

• Click on the '+' next to Connectors.
• Right-click on the existing SMTP Connector, select 'Properties' and go to the General tab.
• Select "forward all mail to a smart host" and write the smart host.

Windows Small Business Server 2011 Port Forwarding

Windows Small Business Server 2008 Port Forwarding

Windows Small Business Server 2003 Port Forwarding

First install Worry-Free Business Security - Advanced

http://downloadcenter.trendmicro.com/

1. Download Worry-Free Business Security - Advanced latest version full installation packege (~1.2Mb)

Actually just Worry-Free Business Security setup wizard will be downloaded.

2. Start download (~850Mb) of product package. (latest one is WFBS90_SP1_EN_GM_B2261.exe)

3. Unpack and install

4. Download WFBS 9.0 Service Pack 2 wich supports Windows 10 (WFBS_90_WIN_EN_SP2_3147.exe)