If you have redundant Windows 2008 DHCP servers (likely with split-scope configurations), you’re familiar with the problem of keeping reservations between the servers synchronized. I figured I’d post a script I created to sync reservations between servers. Synchronization can be 1-to-1 or 1-to-many, depending on your redundant DHCP server configuration. This script can sync with ALL authorized DHCP servers in a domain if needed. Make sure to read the included Powershell help information. This…

Windows Security event logs fill up fast when you have Directory Service Access Auditing enabled, for whatever reason. If I want to retain any useful information, I need at least 7 to 14 days of logs to review, in my case, the DNS scavenging process. The built-in ‘Archive log when full’ option doesn’t really help out as much as you’d think, particularly when I might have 2 or 3 logs (each 300MB) per day. I poked around Windows Server 2008 looking for options to increase the quantity of archive…

I’ve stumbled on a useful plug-in from Lars Michelsen that easily monitors a single Windows Server DHCP scope for usage using SNMPv2, but found this fell short of what I needed for monitoring several scopes at once. I’ve modified Lars’ original plugin/script to accommodate all available DHCP scopes on your monitored Windows server. You no longer need to add separate service definitions to monitor all available scopes. It’s worth noting a couple of important details: