Error Code 32:406 All device streams configured to this Storage Policy including their multiplexing factor are in use

Data Protection Job goes to waiting/pending state because of inability to access storage path or media.

Symptoms

Error Code: [32:406] All device streams configured to this Storage Policy including their multiplexing factor are in use: Library [XXXXXXX], MediaAgent [XXXXXXXX], Drive Pool [DrivePool(XXXXXXXX)], Media[]:Please check the jobs currently running to this Storage Policy. Current job will run once a stream becomes available: Source: Process:

Causes

Number of concurrent job streams exceeds available device streams and mutliplexing factor (if enabled)

Resolution

Waiting/Pending jobs will continue once device streams become available. To prevent re-occurance, you can change the Number of Subclient Readers, Number of Writers, Enable Multiplexing, or Combine streams as necessary to meet current job stream requirements.