Cisco Wireless :: 4400 - Laptops Unable To Access Domain

Dec 22, 2011

We have a several cisco 4400 wireless controllers and a cisco WLC. All clients autheticate to an AAA server. Acces points are cisco LWAP 1242. Security is PEAP TKIP ms-chap. Machine and user authetication. Settings are pushed out through grou policy. A new user can log on to a laptop (without cached credetials) and get all their network settings....most of the time. Randomly we have laptops that after being restarted, recieve " is not availalbe" error message. The laptops will work fine for weeks and then random laptops start to get this error. If we wire them into the network, run a gpupdate, they logon fine. Shutdown, unplug, and the wireless works fine again.. I am not sure if this is an ms group policy issue or a wireless issue. Any setting change or a gp setting that I may have missed??
Clients are mostly windows 7 some XP Domain Windows 2008r2
ACS 4.2
Group policy settings - wifi config settings enabled and configured correctly Always wait for network enabled.allow fast reconnect disabled (was recommended by a cisco tech) Disabled computer passwords for domain about 2 months ago to see if the computers reseting their passwords were an issue.

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Cisco Wireless :: Windows Laptops That Do Not Roam From One AP To Another On Same 4400 Controller

Jan 22, 2012

Windows laptops that do not roam from one AP to another on the same 4400 controller?  Particularly using an Atheros chipset - works fine under Linux... It's a WPA2/AES enterprise network on a controller running 

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Nov 8, 2011

I have a Cisco 1811W that after several years in service suddenly stopped allowing any wireless connection to laptops on the domain. It allows hard wired connections and devices that are just using the wireless hot spot like iPads and Iphones but not devices on the domain. These same laptops connect wirelessly without issue at our other facilities which use the same hardware.
Here is the config file of the router in question...
router#show run
Building configuration...
Current configuration : 11776 bytes


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May 10, 2011

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Jan 8, 2013

We use Cisco 4400 Series Controller and Cisco Aironet 1142 Wireless-N Access points  andwe use windows 2008 Active Directory and also as our Radius server. We have XP as a client. The Laptops were connecting automatically into the wireless network once they are joined to the domain and adding the laptop to the wireless security group in the AD. All of sudden all the 20 laptops got disconnected from our wireless network.The Laptops can detect our wireless network. But on the system tray the pop says: Windows was unable to log you on to the network MATS. (MATS is our SSID)

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Jul 14, 2008

Cisco 4404 WLC
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One Of Two Laptops Unable To Connect To Wireless After Changing Provider?

Feb 21, 2013

We recently switched from cable internet to Verizon DSL since my roommate moved out and took his equipment with him. I set up the wireless router last week and got my laptop to work on the wireless connection. Now I am unable to get my boyfriend's computer to connect to it, when it never had this issue before with the previous wireless. The first day I had it set up, it said it connected, with an "excellent" connection strength, but then the status was 'unable to connect.' I was on the phone with the Verizon guy, who after doing a screen share, said it was my IP address.

So I tried resetting my IP through the CMD, with no luck. Now it doesn't even let me connect to the wireless at all. I've tried both the Intel PROSet/Wireless and the Microsoft client to connect (this is running Windows XP) and when I click 'repair' on the Microsoft client, it tells me it couldn't be corrected because it could not renew the IP address. The firewall is currently off and I removed the defunct McAfee that was never renewed anyway[CODE]

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Jun 24, 2012

Six month ago I installed and configured a wireless mesh with the equipment named. From two weeks ago one AP (MAP) restarts every day. In Wireless Lan Controller appears this logs:
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Linksys Wireless Router :: E2000 Unable To Connect One Of Laptops To Internet

Mar 24, 2011

I have a new Linksys E2000, I was unable to connect one of my laptops to the internet, so I decided to call support with the problem, after 45min and not results, find out that the E2000 do not support the Atheros AR 5007, they told me that I need to get a new driver for my adapter. Fine but Cisco doesn’t have a Driver update for this problem or how to fix it, or at least send you a link where to get the fix. 

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Cisco Wireless :: 5508 Students Unable To Join Wireless With Personal Laptops

May 1, 2012

I have a WLC 5508, AIR-LAP1142N APs and a SSID for students to connect to who bring their own device. I am still testing this and it has not been rolled out but I am running into some serious issues with joining the network. I am authenticating them through a RADIUS server (2008 R2). Problem: many of them cannot connect because they are lacking the certificate.
1. What is a good setup for authentication in a BYOD environment

2. If my setup is good what can I do to allow kids to use their computers on the wireless either without the certificate (which I know is unlikely) or what do I need to have them do to connect. I am hoping it does not involve hard wiring and getting the certificate from the server.

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Jul 23, 2012

I have a Cisco Series 4400 WLAN controller and I'm trying to connect a lightweight AP to the controller.  I have already assigned the switch port to use my wi-fi VLAN, and have connected the AP to the switch.  After a few minutes, the light on the AP goes from green to light blue (indicating it's serving clients). When I log into he wi-fi controller to look for the Ethernet mac address of the new AP, I do not see its Mac Address.  I want to be able to rename the AP to reflect where it will be used,  but need to select the AP via its Ethernet mac address before I can make any edits like changing its name etc. I've gone through the "monitoring" menu, selected "All" and still do not see it in their via its MAC address.  I also will select the "wireless menu" which lists all the AP's on my network, listing in order from on the longest running, to just powered on.Is there something I'm missing like a "re-scan" that scan's all devices?

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Dec 31, 2012

on WLC 4400 Guest vlan is configured with local authentication, the users get disconnected after 10mins were should i disable the option of 10mins restriction

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Jan 12, 2011

how do wireless laptops on 2nd router on LAN access shared devices on wired computer on first router (one network)

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Jul 4, 2011

At home I have a wireless access point that I use to connect my laptop #1 to the Internet. On laptop #1 IP address is set to This IP address also Subnet Mask and other addresses are given by my Internet Service Provider. Everything works just fine but lately I bought another laptop (laptop #2) and now my aim is to connect both laptops to the Internet. Unfortunately, I can't make that happen. Only one of my laptops having IP set can connect to the Internet.


So is there any way to have an Internet connection on both of my laptops without having to buy any new equipment?

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May 20, 2012

I recently upgraded our controllers to the latest version 7 software, as I read this was one of the requirements to get them to connect.  But I am not having any luck getting into a controller.  Normally I plug them in to the network, they pop into the controller listed as something like AP5057.a844.xxxx and then I can finish configuring them, but a static IP on them, etc. This is the first of this model AP I have tried to deploy, so I am wondering what is different with these. or what I might be missing in the default config in the WLAN controllers. Niether of which are set to "Master" either.

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Apr 4, 2012

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- port 1 connected to Vista PC
- port 2 connected to 8 port Netgear switch.

Netgear switch.

- port 1 input from BT Home Hub
- port 2 connected to TV
- port 3 connected to NAS
- port 4 connected to Samsung CLP 620 ND colour laser
- port 5 connected to this desktop PC (Win 7/64bit)
- ports 5 to 8 as yet unused.

Other PCs

- desktop running XP SP3 connects through WiFi
- old Toshiba laptop running XP SP 3 connects through WiFi
- new HP laptop running Win 7 SP 1 connects through WiFi
- Acer laptop running Win 7 SP1 connects through WiFi.(WiFi computers not necessarily connected all at the same time)

The issue.This desktop can print via the network..All XP pcs/laptops see the printer on the network and can print..The Win 7 laptops see the printer on the network, but when asked to print a test page, the document gets stuck in queue until it gives the Error - printing message. If the printer is sleeping, when the test page is sent, the Samsung print dialog panel on the laptop remains showing "Printer is sleeping..." as if no commands are being sent to the printer (and therefore why nothing prints). Cancelling the document returns the printer to normal - ie the exclam mark in the yellow triangle disappears and is replaced by a tick. When the laptop is shutdown, and then restarted maybe a day later, if the printer is on, it jumps into life and prints the test page from the laptop.I should add that the laptop is also part of the HOMEGROUP and can see the printer via this PC when this PC is on - and it can print via this PC in the HOMEGROUP. Both the problem laptops have the up to date Samsung drivers although it took an age to install - it seems to get stuck on the "Detecting TCP/IP Port" page and then goes to a page headed Additional port info required. On selecting Samsung Printer, it moves on to Detecting Driver Model, gets stuck there until it moves on to the old Add Printer dialog with Manufacturers in the left pane and printers in the right.

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D-Link DIR-655 :: Website Filter / Access Control For Wireless Laptops

May 2, 2011

I have several laptops at home that connect via wireless connection tot he DIR_655.  Using the MAC address of those laptops, I want to prevent them from going to certain websites.Under 'Advanced" and "Website Filter", I addes several domain names ( for example).  I selected "DENY computersaccess to ONLY these sites".  I then saved settings.I then went to "Access Control".  I clicked on "Enable Access Control".I clicked on "Add Policy" to cdreate a new policy for one of the laptops.When I boot the laptop and go to one of the websites, it still allows me access.  The URL/domain name is correct. 

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Aug 18, 2012

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Mar 23, 2012

My son connects his xbox360 to his laptop that uses a wireless access to the router. My husband and i both have a laptop and when we try to log on to the internet it takes forever or doesn't connect at all while son is on his xbox 360. Do I need to change up my router?

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Feb 3, 2011

I'm having issues joining a remote PC to the corporate domain. The VPN we're using is SonicWall.Here's what the error is: Note: This information is intended for a network administrator. If you are not your network's administrator, notify the administrator that you received this information, which has been recorded in the fileC:Windowsdebugdcdiag.txt.The domain name "creatormail" might be a NetBIOS domain nameIf this is the case, verify that the domain name is properly registered with WINS.If you are certain that the name is not a NetBIOS domain name, then the following informationubleshoot your DNS configuration.The following error occurred when DNS was queried for the service location (SRV) resource record used to locate an Active Directory Domain Controller (AD DC) for domain "creatormail":[CODE]

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Jun 9, 2013

2504 contrller with 1042N ap's. NPS and group policy (for computers) is setup. Certificates are setup.Logging on as a domain user I can connect to the wireless network but am only getting Internet access. I can not access any domain resources.DHCP is handled by a domain controller. I can ping servers and printers, but cannot access them. Can't map a drive, add a printer or access services on the network.

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Apr 12, 2012

I am running a webserver locally and I am unable to resolve it by domain name (e.g. when I am inside my network. However, I am able to hit it internally (e.g. just fine. When I try to access from inside my network it comes up with my Actiontec router's admin page on is my configuration:Actiontec FIOS router (connected to internet)DHCP disabled Netgear Router is in the DMZHas cable running from Actiontec's LAN port to Netgear's WAN port[CODE]

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Mar 22, 2012

I'm wondering if there is an easy way to change the regulatory domain on a lightweight access point.  The reason I'm asking is someone accidentally placed an order for AIR-CAP3502I-N-K9 access points instead of the AIR-CAP3502I-A-K9 flavored ones.  I can see how it happened, since undoubtedly someone asked for the "N" access points, thinking 802.11n, and the other person was thinking AIR-CAP3502I-"N"-K9.
do I have to RMA them, or is there a way to magically turn them into the ones flavored for the Americas?

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Jun 18, 2011

I have recently been trying to download a file but every time that I've tried, the download stops at the exact same point, saying that it is "unable to complete the download". It gives the error message: NSURLErrorDomain error -1.

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Apr 23, 2011

I have configured a my desktop as a domain controller with server 2008..with dns service running on it. When i tried adding another desktop to this domain, i get the following error message

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Cause: The required A (address) resource records that map the name of the domain controller to its IP address do not exist in DNS.

Solution: Verify that the required A resource records do not exist in DNS by using the Nslookup command-line tool.

See also: To verify that A resource records exist in DNS. Cause: The domain controller advertised in DNS may not be connected to the network or is connected to the network but is not running.

Solution: Verify connectivity and then verify that the domain controller is running.

See also: To test a TCP/IP configuration by using the ping command; DNS requirements for joining an Active Directory domain."

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Nov 1, 2011

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May 21, 2012

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Jun 25, 2011

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Mar 18, 2011

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May 11, 2011

I have my wlc 4400 configured with a secure wlan and a guest wlan.  The guest wlan is switching traffic at the wlc to a separate guest-wlan interface.  When a guest is associated and authenticated, they can access the management console of the wlc which is in a different subnet.  As I understand, the wlc does not route traffic.  So how could this be happening?  the guest subnet and the subnet the wlc management interface is in are different and separated by a firewall.  I have also tried applying access lists in the wlc to each interface without luck.  How can i stop the wlc from providing access to guest wlan users?

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Mar 15, 2011

I manage a wireless mesh solution (WLC 4404, (Mesh)) with some types of LAP, namelly,LAP1510, AIR-LAP1242AG-E-K9 and AIR-LAP1242G-E-K9.

We also use a freeware solution to have some graphs (collect by SNMP), namely for: Clients per AP, Noise and Interference, Channel Util, etc.
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Mar 27, 2011

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Mar 30, 2013

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