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19-11
User Guide for Cisco Digital Media Manager 5.2.x
OL-15762-03
Chapter 19 Content Distribution and Delivery
Concepts
Related Topics
• Configure Deployment Threshold Preferences, page 19-17
Restrictions
• DMS-CD Restrictions, page 19-11
• CIFS Restrictions, page 19-12
• ACNS Restrictions, page 19-12
• ECDS Restrictions, page 19-12
DMS-CD Restrictions
• We do not support use of the “Cast” plugin for Digital Media Designer with any content distribution
system or network. (
CSCto35473)
• Even though Microsoft Internet Information Server (IIS) is not case-sensitive, any use of IIS can
trigger case-sensitive behaviors in DMS-CD. This occurs because DMS-CD uses all lowercase
letters during its creation of a local folder whose name matches the FQDN of the external IIS host.
When any asset URL includes even one uppercase letter in reference to the IIS host FQDN,
DMS-CD cannot find any local folder by that name and, so, cannot find its local copy of assets to
render. The error message in this case is “Size = Not Available is not available with the File Access
Service. The status is FAILED.” (
CSCtn07580)
• This DMS-CD release does not support live video. It provisions assets that already exist.
• This DMS-CD release provisions assets to DMPs exclusively. You cannot target any other
device type.
• This DMS-CD release does not delete files from any DMP that belongs to multiple DMP groups.
For autocleaning to occur on a DMP, it can belong to one DMP group only. Alternatively, you can
use Play Now to deploy a job to DMPs.
• You can attach only one external USB flash drive or external USB hard drive to a DMP.
• We do not support USB hubs or any other method that you might use to attach multiple drives (or
other device types) to a DMP.
DMS-CD Capacity Category Maximum Threshold
WAN size
100 sites
DMP count, per site
3DMPs
1
1. This value is approximate and variable from one network to another.
Data transfer per day, per DMP
300 MB
2
2. This threshold might be lower in your WAN, depending on its total bandwidth capacity.
Concurrent sessions per DMM appliance
75 DMS-CD sessions
2, 3
3. This threshold might be lower in your WAN, depending on your “Enable maximum transfer rate” value.