SOLVED: DHCP Server Shows 169.254.99.88

169.254.x.x is known as an Automatic Private IP Addressing (APIPA) address.  As of Windows Vista, ALL devices must have an IP address so Windows can’t find a DHCP server and you do not force a static address, it will automatically assign itself a 169.254.x.x address. If you find that your Windows Server is showing a 169.254.x.x address as the name of your DHCP server when you launch the DHCP applet, it means that the DHCP…

SOLVED: What is the PEN and COMPUTER Icon in DHCP

Typically DHCP Leases show an computer icon with a clock on it, this is normal and good.  However, if you see a Pen on that computer instead of the clock, it is telling you that DHCP has some pending writes to DNS.  This not good.  In my case it meant that my DHCP scope had bled into a new class C range which was not setup in REVERSE DNS.  This was a super easy fix.…

SOLVED: Reverse DNS Entries Are Not Being Added Automatically – Event ID:1056

If you are working with, well almost anything network intensive these days, like Antivirus or management tools, your Reverse DNS (rDNS) lookups need to be in good shape.  If you find that you can not resolve IP’s back to a name on your network check your DNS REVERSE LOOKUP ZONE.  If there are missing entries, you likely have your DHCP missing one of two settings: SET DHCP TO AUTOMATICALLY CREATE DNS ENTRIES Launch DHCP Right…

SOLVED: Juniper nc.window.app.23971 Network Connect Error

Users found this error connecting to a Juniper Mag2600 and binging and googling this error only brought up semi useless items like: check personal firewall install windows patch for loopback ip-address issue (which appears to relate to Windows XP) unmark automatic proxy settings in the Browser I checked the Mag and found all well, the configuration seemed ok and I found not specific errors so I called JTAC, and as usual the tech nailed the…