Summary
A DPX Agentless VMware backup fails due to a lack of available space in the system drive. The Windows System directory (C:\Windows\Temp and C:\Windows\Temp\vmware-SYSTEM) contains files ranging in size from 0 to 1128 MB. File names consist of random numbers and may include the text allocate-bitmap.
Symptoms
The Agentless VMware backups fail with failure to write to the directory:
Mon Dec 29 21:24:40 2014 SNBSVH_826E ............Extended error: There has been some problem in processing disk ([XIV_vol2] USA Web/USA Web-000001.vmdk), reason (Failed to write at the end of the file C:\Windows\TEMP\bitmap5042274751230041628.bmap error 112)
Further analysis confirms an excessive number of auxiliary files in the system directory on the agentless proxy server.
Resolution
This issue is addressed in DPX 4.4.0 and later/