That sounds reasonable. Unfortunetely, it will be a little while before I can schedule a restart of the firewall. It has definetely been up for over a year. Again, it's not a huge problem since we only use it for monitoring, it's just an annoyance. Thanks for the advice. Once I'm able to do the restart I'll mark this the answer if it does indeed fix the problem.
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A few weeks ago I noticed that in our firewall suddenly all the Source User fields are showing blank. This is very strange since it happened without any changes being made to the firewall or the Domain Controller. We populate user IDs using LDAP. All the settings are correct and the LDAP servers (our primary and backup domain controllers) are both still showing connected in User Mapping settings. I also see that Enable User Identification is still checked under Network > Zones. Literally nothing has changed, but one day it stopped poulating Source Users when I use the Traffic Monitor or ACC. I can't seem to find what would cause this. I've done extensive Google searches, but I have not come across anyone else who has experienced this issue. It hasn't been a huge issue since we don't have any policies based on user IDs or user groups. We pretty much use this for monitoring purposes, but it's still quite annoying to lookup traffic on an IP address and then I have to go to the DHCP server to findout who the IP belongs to. Is there something I might be missing?
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