Summary
Machines protected by DSVA show “Multiple Critical Errors” and “Anti-Malware Engine Offline” statuses. The ESX kernel logs also show the following:
Line 1810: 2014-02-14T22:18:17.418Z cpu22:8805)dvfilter-dsa: dsa_ureg_slowpath: slowpath ureg: inst: 1 sphand: 1 reason: 0
Line 1811: 2014-02-14T22:18:17.420Z cpu14:11800)WARNING: dvfilter-dsa: update_sp_binding: DSVA not bound
The issue may disappear after a restart.
Details
This issue occurs when the DSVA is unable to register to the filter driver promptly because the ds_filter process times out before it can start.
To resolve the issue, apply DSVA 9.0 Service Pack 1 Patch 2 hot fix build 3318. This will give the DSVA more time to start the ds_filter process when it registers to the filter driver. Contact Trend Micro Technical Support to get a copy of the fix.