你是使用RoH, 從外面連入嗎?
某d 機又得, 某d機又唔得 --> 都是內部可以嗎? 請先檢查cert及port是否OK.
如果都OK, 你可以試試以下方法...

To install the server's security certificate on your remote computer, do the following:

1. From a computer that is in the Windows SBS network, open a Web browser and type the following address into the address bar: \"Server name"\public\downloads.

2. Copy the file Install Certificate Package.zip to portable storage media, such as a floppy disk or a USB drive.

3. Insert the floppy disk or USB drive into the computer that is not joined to the Windows SBS domain and from which you want to access Remote Web Workplace.

4. In Windows Explorer, navigate to the location where you copied Install Certificate Package.zip.

5. Right-click Install Certificate Package.zip, and then click Extract All.

6. In the Extract Compressed (Zipped) Folders dialog box, type a folder location to which you want to extract the files, and then click Extract.

7. Open the folder where the extracted files are located, and then double-click InstallCertificate.

8. Select Install the certificate on my computer, and then click Install.

9. Browse to the Remote Web Workplace Web site.