Unifi your client is having trouble acquiring an ip address. 1. Unifi Controller (Network Application)-> Client Devices -> select a client -> click on Settings and check if the "fixed IP" button is active. Verify your UniFi device's IP address. If it is receiving an unexpected IP address, check your network for a Rogue DHCP server. Apr 30, 2014 · Whoever has the necessary admin rights to the router should be able to go into the router's admin windows and check the allowed DHCP IP address range and/or the number of allowed devices. The Why are devices that are hardwired and have a static IP assigned to them "having trouble acquiring and IP address"? Have this happen with AP's and… Feb 8, 2016 · Make sure you have enough free IP address to assign to new clients. The strange thing is the main lan works (wifi) just fine on the second floor. for last 2 hours 4:00pm High DNS latency for Client KIOSK for last 12 hours Any thoughts? Thank you! 11 Spice ups molan (molan) March 24, 2021, 9:41pm 2 I've been having trouble with my MacBook for a couple months and more recently my Apple Watch having DNS timeouts. When I run the Ubiquiti UniFi Controller, both of the AP’s show up in the management tab, but give an IP address of 192. New comments cannot be posted and votes cannot be cast. Everything is patched to the latest firmware. Upgrading the firmware resolved it for us but we had other issues arrise and we ended up pulling them out in favor of Meraki. https://IP_Address:8443 1. Client XXX is having trouble resolving a domain name to an IP address (DNS timeout). The goal is to manage the access point from a central location over VPNs. Its not a very useful message without naming the client. Most wireless clients are falling May 20, 2021 · High CPU usage for Access Point XXX Client XXX is having trouble resolving a domain name to an IP address (DNS timeout). Select the IP Leases link at the right of the network in question, and look for your device. If you haven’t already been descriptive in your post, please take the time to edit it and add as many useful details as you can. Jan 31, 2020 · Hello all, I’m having issues getting UniFi APs working over a VLAN. In both the local and Hello! Thanks for posting on r/Ubiquiti! This subreddit is here to provide unofficial technical support to people who use or want to dive into the world of Ubiquiti products. IP Conflict: Another device on the network might have the same IP address, causing conflicts. This can be found on the console's LCD screen, or by using the network scanner in our WiFiman Mobile App (iOS / Android). Sep 22, 2021 · Hello all, I have a Unifi question that I'm hoping someone can answer. Pretty sure those messages are from the AP talking about a client trying to connect to said AP. 168. As a side note I would advise against installing the Unifi controller on your DC. I’m running Unifi Controller on Cloud Key V2. I called Ubiquiti Tech support and they told me that this is the IP address you will see when you’re access point is NOT receiving an IP address from the Mar 24, 2021 · Unifi kicks out these messages daily on the hour: 4:00pm Client iPhone is having trouble resolving a domain name to an IP address (DNS timeout). The alerts say "clientxxx is having trouble obtaining an IP via DHCP. 1 Login to UniFi Network Application, e. VLAN 5 was configured on the SonicWall and for testing I configured two ports on a Unifi switch with VLAN 5 and connected one to a PC to see if it would get an IP from a DHCP pool that was set earlier and everything worked. Clients can’t obtain IP address through DHCP. Archived post. This affects only WiFi clients, machines which are physically connected all have no problem. Somehow my Unifi setup is messed up all laptops that want to join the wifi network are getting IP address that are not in the range of the DHCP settings I set. Usually a reboot resolves the issue, or they just come back online but over the past couple of days it's gradually getting worse. APs itself have IPs through DHCP, but for the clients… I have DHCP Timeout/Failure I’m running Sep 10, 2014 · I purchased a UniFi AP Pro from Ubiquiti. May 13, 2025 · I would like to segment some of our APs to VLAN 5. See Sign In to UniFi for more information. Learn what causes IP conflicts in UniFi, why they appear after upgrades, and how to resolve them to keep your network stable and hassle-free. Using the UniFi Interface In UniFi Network, navigate to Settings > Networks. for last 2 hours Has anyone actually found a fix for this? Verifying a Device's IP Address Here are various methods to check whether a device has an IP address. I restarted the UDP Pro, but no change. I have had a Ubiquiti infrastructure set up and running for about four years. Not every machine will fail, and some machines will fail only occasionally but eventually get a new address after some period of time. I'm having problems connecting several access points to a guest network inside of a building on the second floor (first floor works just fine). WiFiman App Download the WiFiman Mobile App (iOS / Android). 20 IP address (default for failover), and when restarted, they try a few times, then always failback to a . First of all, my set up is a little convoluted. I keep receiving these messages on my controller where it appears to indicate that my Office AP Lite is having trouble acquiring an IP even though is using static address. 2 Make sure we have already created an working WiFi network/profile with at least 1x AP working and broadcasting the WiFi name (SSID). In the UniFi controller, I have a lot of messages like this: Client Chromecast-Audio is having trouble resolving a domain name to an IP address (DNS timeout) for last 3 hours High DNS latency for Client Office Speakers for last 2 hours It seems to be across devices and VLANS. , it’s behind a Gateway), you must port forward TCP port 8080 on the Gateway to the internal IP of the UniFi host. Note: UniFi Cloud Gateways can be configured by navigating to unifi We've had some issues with clients getting an IP address on a UniFi AP system previously. 1 Create Wireless Uplink / Mesh WiFi 1. Jun 15, 2021 · It can be that the IP address is not assigned within say 1 second, but the alert threshold of UniFi system is set to 500ms thus we will receive the alert, even though everything works fine. Open your internet browser and enter your UniFi Console's IP address. Why Change the IP Address? There are several reasons you might need to change the IP address of your UniFi Controller: Network Reconfiguration: You might be reorganising your network and need to place the controller in a different subnet. What this means depends on your deployment: Scenario 1: If the UniFi host has its own public IP address, make sure no upstream firewall is blocking TCP port 8080. I was able to configure the AP to be managed over the WAN by changing the inform URL, but I am having the same problem. I’ve got hardware from three different brands, which was not my preference… Sophos XG Firewall → Aruba 2930F Switch → UniFi PoE Switch → UniFi NanoHD Access Points Enjoy this crappy Paint diagram that poorly explains my situation: (I apologize for not using actual IP I use pfSense (Netgate SG-1100) for routing and UniFi access points (3) and switches (3). The devices are connecting to the correct wifi ssid and they show up on the unifi controller dashboard ( cfr image below ), but the addresses start with 169. I tried to reset all APs and UCK to factory default and configured them from the scratch with no success. 20. Scenario 2: If the UniFi host does not have a public IP address (e. UniFi dashboard reports plenty of: Client X is having trouble resolving a domain name to an IP address (DNS timeout), Client X is having trouble resolving an IP to a MAC address (ARP timeout), as well as long association time and High TCP latency entries. Check for a network loop. Randomly clients can eventually connect but its sporadic. Connect a laptop to your UniFi Console by joining the same WiFi, or using an ethernet cable. All core switches (a mix of older US-24-250W & newer USW-24-PoE) have a . I use the Unbound DNS Check all your devices in the default VLAN if you set them a fixed IP Address via the unifi console, that was my mistake. Also check your settings to see how long you allow a DHCP client to keep an IP, you may have this value set to high. Suddenly WiFi clients are frequently failing to get an IP assigned by the DHCP server. Please read and understand the rules in the sidebar, as posts and comments that violate Feb 5, 2013 · I currently have 2 of these AP’s up and receiving power (PoE) that are in turn connected to our switches. Review your switch port tagging and network override settings. This AP will be our base station (However, creating WiFi network is out of scope for this guide) May 20, 2021 · High CPU usage for Access Point XXX Client XXX is having trouble resolving a domain name to an IP address (DNS timeout). g. Jan 18, 2021 · Hello Team! I just encountered an issue after installing latest update for Unifi Controller. I was able to set up the device with no issue, but my devices that connect to the access point are unable to obtain an IP address. The guest network on a separate VLAN and has no passphsrase works with no issues. See below for a detailed walkthrough of this process. Every couple hours on the UniFi Controller I get the messages: Client is having trouble resolving a domain name to an IP address (DNS timeout). This has happened a couple of times now, Unifi support, after nearly 3hrs of tortuous chat support this morning, have not been helpful. 254 I have no clue where to look for on how to solve this. dfyot odu24 szs5eez7 zzvat3 f9bes 2kpm30j 5so7fx hey nxix haju8