After Update DHCP Errors When WIred

Hey there Azazel x,

A DHCP error is typically caused by network hardware problems. That could explain why you're seeing a vast different in speeds as well. Let's have you run through this guide

HERE to see if it's able to help you figure out where the issue may be.

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@taidara - It has intermittently reported a spurious "cannot connect to DHCP server" error when connecting wirelessly using DHCP since I got it at launch. Actually, it did it also when wired to my 5.8ghz wireless bridge (WDS). It will eventually work
after a few tries or a reboot then work fine for a while. 5.8Ghz is especially problematic it seems.

Until recently, I had never tried assigning a static IP, so I'm not sure when that problem started but can't understand why it would ever contact DHCP when setting a static IP. Several other folks have reported problems assigning static IPs in this forum
and various other networking weirdness (beyond just NAT issues, which are generally user error/improper configuration). I believe there is a software problem behind most of these issues and that it is something go do with the way network settings are stored,
retrieved, and applied, especially when switching between wired/2.4/5.8 and DHCP/static (manual). It is almost like new settings don't always take for some reason--e.g. it still tries to use DHCP even after setting a static IP, gets "stuck" with bad or old
settings that results in DHCP failure, etc.

taidara, yes. I use DHCP reservation for the Xbox One, and the problem persists. Generally, but not always on the first try or without restart, the Xbox One can get a DHCP IP when wired or wireless 2.4Ghz. It worked for a long time on wireless 5.8Ghz (my
preference), but now it consistently reports "Can't connect to DHCP server" and gives the same error even when manually assigning an IP in Advanced Settings (even though DHCP should not matter when manually assigning). There is definitely something weird
going on in the Xbox One network settings.

Forgot this bit and I'm not at home currently so will update with the pertinent info when I get there

What Country/State/Province do you live in? Texas, USA

Modem brand & model number:

Router brand & model number:

Wired or wireless: Wired and Wireless

Things you have tried: Resetting Modem and Router, Powercycling Modem and Router, Changing which port the ethernet cable is plugged in to

Is UPnP Enabled? Yes/no/Unknown

Do you have a NAT error? If so, what is your NAT type? Moderate

Any Error Codes you encounter: DHCP Connection Error

Who is your ISP?(Internet Service Provider): Comcast Xfinity

this error indicates an issue with your connection to xbox live. are you using wired, or wireless internet? if using wireless, try using wired temporarily just for the update. after the update installs successfully, you can switch back to wireless.