DC Agent mode | Polling Mode | |
Installation | Complex — Multiple installations: one agent per DC plus Collector agent, requires a reboot | Easy — only Collector agent installation, no reboot required |
Resources | Shares resources with DC system | Has own resources |
Network load | Each DC agent requires minimum 64kpbs bandwidth, adding to network load | Increase polling period during busy period to reduce network load |
Level of Confidence | Captures all logons | Potential to miss a login if polling period is too great |