Adobe InDesign CS 5.5 is writing a type code of IDd2. You will need to add the following client configuration for the document checkout options to appear for InDesign CS 5.5 documents.
Windows:
1. Create a folder named conf in the MediaBank\lib directory.
2. Create a file named PageContentTypesToLoad.properties in the conf directory.
3. The file should contain the following line:
IDd2
Mac:
1. Control-click on the MediaBank application icon and select Show Package Contents.
2. Go to Content -> Resources -> Java.
3. Create a folder named conf in the Content:Resources:Java directory.
4. Create a file named PageContentTypesToLoad.properties in the conf directory.
5. The file should contain the following line:
IDd2
The MediaBank client will need to be restarted for the new settings to take affect. In the latest client update ( MB 3.5p1 20110624) the above configuration is no longer required.
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