In the console tree, click the publishing point associated with the playlist you want to edit.
Click the Source tab.
The path and file name in Location correspond to the playlist that is currently online.
In the playlist tree, expand the playlist, and then expand the smil element to show the elements in the playlist.
Click the element you want to modify.
To change the value of an attribute, click the name of the attribute, and then type a new value.
To save your changes to the playlist, click the Save playlist button.
Notes
Online playlist editing is only available in the Windows Media Services snap-in.
More information about playlist elements and attributes is available in the Playlist reference and in the Windows Media Services Software Development Kit (SDK).
Windows Media Services server-side playlists are Extensible Markup Language (XML) documents that are compliant with the Synchronized Multimedia Integration Language (SMIL) 2.0 language specification. For more information about the SMIL 2.0 Specification, W3C Recommendation, see the W3C Web site.
Items that are cued or currently playing cannot be edited.