[This is pre-release documentation and subject to change in future releases. This topic's current status is: Milestone-Ready]

Topic Last Modified: 2010-04-27

Microsoft Communications Server 2010 provides a global file transfer filter that blocks specific types of files during the following file-related activities within your Communications Server 2010 deployment:

Depending on the types of files you want to block or allow, you can use Communications Server Control Panel to modify the global filter. For details about file transfer filtering, see Configuring Instant Message (IM) Filtering.

To modify the default file transfer filter

  1. Open Communications Server Control Panel.

  2. In the left navigation bar, click IM and Presence.

  3. On the File Filter page, double-click the Global filter.

  4. In the Edit File Filter dialog box, click the Enable file filter check box.

  5. In the File transfer drop-down list box, click Block All or Block specific file types.

  6. If you clicked Block All, skip to step 8.

  7. If you clicked Block specific file types, do the following:

    1. Click Select to modify the default list of file type extensions that you want to block.

    2. In the Select File Type dialog box, select the file types that you want to block or allow by adding or removing their extensions from the categories under File type extensions.

    3. If you do not see the extension for a file type that you want to block, type the extension in the text box under Add new file extensions to the list, and then click Add.

    4. Click OK.

  8. Click Commit.

See Also