Network Connections Randomly Disabling
Aug 26, 2011
I currently own a Lenovo Thinkpad x201 Tablet Laptop.The issue is that I randomly lose internet access after usage for some time. I've determined [but not limited it to] that the computer heating is causing the computer to automatically disable the connections. I've looked at the Drivers and have found that one of the Drivers disables itself and will not re-enable when I try to enable it again. When I try to reboot, it stalls on the Shutting Down screen indefinitely [I must force restart].
INTEL(R) 82577LM Gigabit Network Connection
INTEL(R) Centrino Advanced-N 6200 AGN
I've checked the BIOS, but I haven't found much of anything. After tampering for a while with it, I received a BSOD. After trying to boot it back up, I got the "a disk read error has occurred" screen and had to send it in... at which point they reinstalled the OS, wiped my hard drive, and sent it back.
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Feb 23, 2012
After some research, I noticed I'm having the same problem with my Inspiron N4010's wireless card as mentioned in this post. I purchased this laptop refurbished from the Dell Outlet store over a year ago.
Yes, I have tried re-installing the drivers, the BIOS is updated, and no I am not pressing that key when the wireless card randomly disables. Normally it will re-enable after a few minutes or if I keep pressing that key it may re-enable. Sometimes it will take a restart for it to re-enable.
This is a completely random problem too. I am unable to reproduce the problem.
I am just about ready to replace the card and see if that works (the laptop is out of warranty and I'm comfortable inside of a laptop so that is not an issue).
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Nov 11, 2011
I have a Motorola SGB900 cable modem/router which up until now has done both functions. However i want to upgrade the router and so have purchased a netgear wnr2200. I have tried connecting to the WAN and LAN connections on the new router and disabling NAT and wireless on the old router in all possible configurations but i dont seem to be able to get it to work.
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Nov 1, 2011
Everytime I disable SSID Broadcasting 2 extra wireless connections appear available connections list. (See wirelessconnections.jpg) One is blank and one is labeled Other Network. They disappear when I enable SSID Broadcasting. I am not sure why this is happening.
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Dec 12, 2011
I am a teacher in a computer Classroom. We are on a school network and certain students abuse the internet privalages. Is there a way for me to restrict the internet for a certain computer in the network besides unplugging an ethernet cord?
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Oct 9, 2012
I purchased a WNDR3400v2 probably around two months back and since then I haven't had any issues with it. Now, I like to keep the security setting on WPA2-PSK for the security but my brothers and my own Nintendo DS don't support this security for connecting. So, since my previous router had a guest network, I decided to activate and deactivate that network with no security when it was needed (Half hour or less), and I haven't had any issues until doing this with the WNDR3400v2.
Basically what happens is, after disabling the guest network again, no wireless devices can connect to the router... PERIOD... Upon trying to connect it also says "You are unable to connect) right after it verifies the password. I spent a few hours trying to fix it but I haven't gotten anywhere really..
What I have tried-v
-Resetting the Router
-Powercycling the Router
-Resetting it to factory defaults and restoring previous settings
-Enabling and disabling the network
-Deleting the original network saved on the computers and connecting as if from a new network.
-Also tried restarting my computers
-Updating the firmware (For some odd reason I couldn't find any firmware last week..)
I researched it a bit and found some solid leads, but nothing that fixed the issue. The only "Fix" I could find was disabling the security and leaving it open.. Which I would prefer not to do for obvious reasons...
Router Type: Netgear Wireless Dual-Band N600 Router (WNDR3400v2)
Firmware: V1.0.0.34_1.0.52
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Jul 10, 2012
My wife just bought a Dell XPS L502x. I cannot get it to connect to our wireless network without disabling the route security completely. Even then it is slow.
Dell XPS L502x
Windows 7 Home Premium 64 bit
6 GB RAM
Intel Centrino Wireless-N1030
Our router is a Linksys Wireless-G 2.4 GHZ WRT54GL
I am aware of the PSP issue and have turned off the option to allow the computer to turn off the adapter and have set the power settings to the highest settings for both battery and plugged in. I have messed the routers security and the computer will not connect unless I turn off the security entirely. It connects but is slow. Anything else and it will not connect at all. Regardless, it can always detect the network without a problem and shows signal strength of Excellent (full bars) even when it is running slow. It works great on a cable or with a wireless usb adapter. I am positive that I am entering the password correctly as i have done this many times now. All other wireless devices in the house connect without a problem including her old Dell laptop.I have updated all the drivers (including the adapter) and keep current on all the Windows updates.when I run the ipconfig /all it lists all my wireless adapters and the blue tooth as "media disconnected". Not sure if that is referring to not being connected to the network or something else.
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Aug 16, 2011
I have a crappy router/modem from comcast with two windows machines and a linux web server connected. I also have another router, a Linksys WRT54G with DDWRT firmware with WAN connected to the modem/router. The linux web server has a static IP, configured with /etc/network/interfaces The network goes down randomly. Disconnecting and rebooting the linux web server usually fixes it. It's possible that the WRT54G could be at fault as well.The problem is that I just don't have any information on what is happening on the network. (Well even if I had the information, I'm not sure I would know what to do with it) I installed wireshark, I figure I should just leave it running until the network goes down, then I can go through the packets and see if I see anything weird?
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Oct 18, 2012
I have been using the same modem/router since late july and I have never had a problem with my wireless. Then randomly this morning it was gone. I can see lots of my neighbors networks just not mine. I restarted my router multiple times and my computer. I am now connected to the modem by ethernet cord
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Sep 6, 2011
When I click on certain links, the webpage doesn't load, and I can't access that page only until going to it later.
Sometimes it says "no data received" and sometimes it gives the usual page for no internet connection
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Nov 9, 2011
My PC at work has started disconnecting from the network one to 3 times per day and I haven't been able to figure out why. At first I thought that it was my switch so I plugged the wire directly into the wall and it still disconnected Then I thought it must be a bad networking card so I replaced that yesterday and it disconnected again. Like I said, it only happens a couple of times per day which wouldn't be so bad except that sometimes I have a Citrix session going or my Great Plains Dynamics program open and I have to go kick myself out of those sessions.
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Apr 5, 2012
My wireless network randomly disconnect ? adsl/thomson TG585 v7/TP-Link N adepter/win7. In device manager (show hidden devices it look like this) ?
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Nov 18, 2012
A few months ago, I swapped out my venerable D-Link DI-524 router for a newer DIR-655 that I'd had for a bit but had not been using as a router.
From a fresh reboot, everything will be fine. But after a while, where a "while" can be anywhere from a few hours to a few days, my internet connection will slow to the point that it's almost unusable. This applies to wired connections as well as wireless. At that point, I've found that a simple release/renew in the router's "Tools" menu will temporarily correct the issue, but then it bogs down again after the aforementioned "while". And whether I release/renew, or do a full reboot of the router, the cycle basically repeats. Sometimes I'll have to hard reboot it, because if I let the connection get too bad, it will get to a point where any browser will take a half hour just to load the router's page.
I'm pretty sure it's the router and not the ISP, because I hadn't had this issue with the DI-524; and after running a large overnight data transfer with a machine connected directly to the cable modem, Speedtest didn't show any slowdown (at that point, Speedtest will usually show a major slowdown when going through the router, even if the network doesn't "feel" sluggish).
Here's a rundown of my network setup and my current router configuration.Hardware version: B1, Firmware version: 2.03NA,My ISP is RoadRunner (Time Warner), which is a cable modem-based service.
I run an Amahi server that is directly wired to the router. I am running both a DHCP server and a DNS on that machine. As a consequence, I have "Enable DHCP Server" and "Enable DNS Relay" unchecked on the router's Setup->Network Settings page.
Connected directly to the DIR-655 are the Amahi server (Gigabit), a D-Link DGS-2208 switch, a TP-Link 100Mb switch, and a VOIP phone.
Connection Type: DHCP Client
Cable Status: Connected
Network Status: Established
StreamEngine: Disabled
Primary DNS Server: 192.168.0.5
Secondary DNS Server: 192.168.0.5
Advanced DNS: Disabled
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Jan 2, 2013
First discovered this problem because I was unable to connect to a particular web site that was functional according to a friend that I was talking to on the telephone while trying to connect.
Problem: Network UPLOAD speed is randomly reduced from 2Mb to 600Kb while download speed seems unaffected (Abt. 30 to 50Mb). First eliminated the router, modem and cables as suspects working with ISP tech support. CAT 5 cabling to router and cable modem. Then I discovered that another machine on the network did not have this problem. I then discovered that disabling the network and re-enabling the network cured the problem.....temporarily. Downloaded and installed latest NIC driver from MB web site. No solution. Downloaded and installed latest NIC driver from Realtek web site. No solution. Updated MB BIOS. No solution.
MB= Asus M5A97 EVO
CPU: AMD FX-4100
OS: MS Windows 7 Professional 64-bit SP1 (Latest updates)
RAM: 8.00 GB Dual-Channel DDR3 @ 802MHz (11-11-11-28
NIC on MB Realtek PCIe GBE
Disabled TCP/IPV6. No solution. I suspect it is one of the "Advanced" settings for the Realtek PCIe GBE, but I don't know what they do. Anytime I disable and re-enable the network adapter my upload speed returns to normal. I haven't been able to isolate a particular action that causes the slow-down. The attached pics show speed test, before and after disable - re-enable network adapter. Same server.
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Mar 15, 2011
Up until recently (4 months ago) my network was fine. However, all of a sudden the network began to drop randomly. Now, the network drops about every 30 mins. Its quite an inconvenience, especially as there are two laptops, a desktop and 2 games consoles running off of the network (not all at once though). I have a Belkin Wireless G Plus MIMO router.
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Feb 1, 2013
Roughly 10 or so computers and 10 or so printers connected to a server 2003 machine with att dal internet. Upgraded to att uverse and because of our program that we use (hotel management software) we have to keep the gateway / ip's all the same. Well for whatever reason, just so happen that our specific info that we have to use, the uverse modem has reserved for its self and we cant use it on there. We hook up a cisco e1000 router and have it act as the gateway so that we can configure our settings the way we need. Get everything going just perfectly fine. Sometime that night, 2 of the computers lose server/networked files access, but still have internet access. They only lose access to shared files, printers, etc... Logging off/on or restarting the pc's fixes the problem. But then every night almost like clockwork around the same time frame, it all happens again. I've changed ip's on the machines, changed settings here and there, but nothing has fixed the problem. The biggest pain is, I cant replicate the problem, I have to waot until that night to know if what I did worked or not. The last thing I tried was changing the lease expire timer in the router from 24 hours to 7 days. I figured I'd give that a try since it seems that its almost 24 hours exactly between errors.
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Feb 11, 2013
Wired PC randomly disconnects from network at random intervals each dayoday it has done so 3 times. The only way I have found to get it working again is to reset the router which can be inconvenient. When it disconnects all wireless devices continue to work and I have no issues like this with my wired consolesI switched to using a static IP address, since having an automatic one gave me the same results [i have since switched back to automatic]Be happy for any suggestions on how to sort this. I am using W7 OS and I'm using an Orange router. I don't know if its relevant, but when I go to reset my router I have noticed that the download light on my router is flashing like crazy when my PC has disconnected.
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Oct 10, 2011
The modem connects to a D-Link DIR-655 which connects to a computer (Vista) and a switch, the switch then connects to another computer (Win7) and an xbox. the problem is that the vista computer will randomly connect and disconnect from the internet/ network. The vista computer also generally runs very slow on the internet. The Win7 computer runs perfectly and there is never an issue, so I'm wondering if the problem has to do with the vista computer not being connected to the switch? It is not an issue with the router, I have tried two already and the same issue occurs.the vista computer is running with a Gigabyte GA-EP45-UD3R which has a Realtek 8111C LAN chipset.
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Aug 6, 2011
I need to know why I am losing internet connectivity like around nighttime, late. I keep losing internet on both IPv4 and IPv6! It both said "No Internet Access" Then later IPv6 said "No Network Access" That's the problem i am having on my personal laptop computer. I really am furious that I lost internet connection around 12:15, 12:30, 12:50, 1:30, 2:15, 2:30, and 3:30 A.M. i suddenly lost internet right there. And I heard the internet crew shuts down the internet system every nighttime and fixing it. I want to know why they need to fix it, how long will the repairs last ?
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Apr 25, 2013
I'm having a really annoying problem which is making my laptop almost unusable and a hassle to use. After a while of my laptop being on, my wireless network adapter will suddenly get "limited connectivity", and won't connect to the internet.Disabling and enabling the adapter will cause my computer to freeze, requiring a restart. The same with troubleshooting. The only thing which fixes this is a fresh reboot, however it always occurs again within the hour.Sometimes the entire adapter will randomly just disable itself, and the computer will completely freeze, meaning I have to press the power on/off. Sometimes the adapter will just disappear from Device Manager. Searching for "plug and play" devices will cause it to freeze.
Apart from having to reboot, what also seems to work is disabling the wifi from PC Settings, putting the computer to sleep, then awaking it and turning wifi back on. I've had to do that 6 times whilst typing this post.I've tried flushing my dns, registering it, renewing and releasing. Assigning a static DNS address. All those things. Though I may have done them wrong.Operating system: Originally came with Windows 7 64bit installed, issue began on this.I installed Windows 8 64bit Pro a month ago, did not reset settings. Problem persists[CODE]
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Apr 25, 2013
I'm having a really annoying problem which is making my laptop almost unusable and a hassle to use. After a while of my laptop being on, my wireless network adapter will suddenly get "limited connectivity", and won't connect to the internet.
Disabling and enabling the adapter will cause my computer to freeze, requiring a restart. The same with troubleshooting. The only thing which fixes this is a fresh reboot, however it always occurs again within the hour.
Sometimes the entire adapter will randomly just disable itself, and the computer will completely freeze, meaning I have to press the power on/off. Sometimes the adapter will just disappear from Device Manager. Searching for "plug and play" devices will cause it to freeze.
Apart from having to reboot, what also seems to work is disabling the wifi from PC Settings, putting the computer to sleep, then awaking it and turning wifi back on. I've had to do that 6 times whilst typing this post. I've tried flushing my dns, registering it, renewing and releasing. Assigning a static DNS address. All those things. Though I may have done them wrong.
[B]Specs:[/B]
[B]Laptop model: [/B]Samsung RV511 (i5) notebook from around 2010
4GB RAM, Intel(R)Core(TM) i5 CPU M 480@ 2.67GHz
[Code]....
It's the latest driver according to Windows. I keep uninstalling the driver and installing random ones from 2006, 2011 etc however the same problem persists. I've tried uninstalling the driver and just rebooting, but problem still comes back after a while.
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Mar 3, 2013
I built my new computer a while ago & I have went through 3 wireless network adapters already... 2 from d-link that just stopped working after 1-3 months and my current linksys ae3000 disconnects from internet randomly while gaming.I am looking for a new Wireless Network Adapter, or any tips or anything to stop my current problem.
Specs:
Spoiler
HDD: Seagate Barracuda 1TB 7200 RPM 32MB Cache
SSD: SanDisk Extreme 2.5" 120GB SATA III
Mobo: ASUS P8Z68-V PRO/GEN3 LGA 1155
GPU: EVGA SuperClocked GeForce GTX 680 2GB
RAM: G.SKILL Ripjaws Series 12GB (3 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600
CD Drive: LITE-ON DVD Burner - Bulk 24X DVD+R 8X DVD+RW 12X DVD+R DL 24X DVD-R 6X DVD-RW 16X DVD-ROM 48X CD-R 32X CD-RW 48X CD-ROM Black SATA Model iHAS124-04 - OEM
PSU: CORSAIR Enthusiast Series TX850 V2 850W
CPU: Intel Core i7-2700K Sandy Bridge 3.5GHz (3.9GHz Turbo) LGA 1155
CPU Cooler: COOLER MASTER Hyper 212 EVO
OS: Windows 7 Ultimate 64-bit edition
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Jun 20, 2011
Have several DCS-5300 cameras (firmware 1.06) and randomly the cameras will reboot.
D-Link says to set to factory default, but that is not physically possible.
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Aug 13, 2012
i am having a problem with my desktop right now, just recently i re-installed Windows7, a clean format... but then i suddenly noticed that i cant connect to the internet, no network adapters are detected on the Network Connections, its empty i looked at the Device Manager and saw a yellow warning on realtek rtl8139/810x family fast ethernet nic, i download the driver using my laptop (wireless connection)... and installed that driver on my desktop pc then checked the device manager once again, but it still has a yellow warning.i dont know what to do anymore, and at the last screenshot theres this error message: This device cannot find enough free resources that it can use. (Code 12) If you want to use this device, you will need to disable one of the other devices on this system.i have two lan cards, one at the motherboard(not in use) and the other PCI-E lan card (tp-link ) ...im just wondering if that Realtek i just installed is the lan driver for the motherboard?
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Sep 10, 2012
The other day I went to a friends house, came back home, booted up my PC, and my wireless network adapter wasn't working. I've tried everything to fix it.It's a D-Link DWA-525 802.11n Wireless PCI netowrk adapter. On device manager it just says 802.11 Wireless LAN Card with a yellow exclamation next to it. And when I check what the error is, it's either error 31 or 52 at different times, depending what I've tried to do to fix it.I tried downloading the driver for it off the D-Link website, nothing happens at all when I install it. I tried taking it out of my computer and plugging it in. I tried enabling it and disabling it on device manager.I noticed one thing, when it's in my computer the green light at the back that says activity next to it isn't on.
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Apr 25, 2013
making my laptop almost unusable and a hassle to use. After a while of my laptop being on, my wireless network adapter will suddenly get "limited connectivity", won't connect to the internet but will still get the router.Every single Xirrus test fails.Disabling and enabling it will cause my computer to freeze, requiring a restart. The same with troubleshooting. The only thing which fixes this is a fresh reboot, however it then occurs again within the hour.Sometimes the entire adapter will randomly just disable itself, and the computer will completely freeze, meaning I have to press the power on/off.Apart from having to reboot, what also seems to work is disabling the wifi from PC Settings, putting the computer to sleep, then awaking it and turning wifi back on.
Specs:
Samsung RV511 (i5) notebook from around 2010
4GB RAM, Intel(R)Core(TM) i5 CPU M 480@ 2.67GHz
Came with Windows 7 64bit installed, issue began on this.I installed Windows 8 64bit Pro a month ago, did not reset settings.
Broadcom 802.11n wireless network adapter
Device ID 4727
Driver date: 13/03/2012
Driver: 5.100.245.20
It's the latest driver. I keep uninstalling the driver and installing random ones from 2006, 2011 etc however the same problem persists.I've tried uninstalling and just rebooting, but problem comes back after a while.This is my IP config when the adapter can't find a connection:
Microsoft Windows [Version 6.2.9200]
(c) 2012 Microsoft Corporation. All rights reserved.
C:UsersStefan>ipconfig/all
Windows IP Configuration
Host Name . . . . . . . . . . . . : Zangara-RV511
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
[code]....
And this event/error seems to be appearing in my Events log."Your computer was not assigned an address from the network (by the DHCP Server) for the Network Card with network address 0x001BB1A80E96. The following error occurred: 0x79. Your computer will continue to try and obtain an address on its own from the network address (DHCP) server." DHCP-Client Massive guess, something wrong with my DHCP or DNS? I've tried assigning fixed DNS addresses, this didn't work.And I always get this one constantly:"Failed to schedule Software Protection service for re-start at 2113-02-08T21:58:11Z. Error Code: 0x80041316" Security-SPP
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Jul 16, 2012
2x DCS-2121 camera.They both record to the same wireless hard disc via my router (airport extreme, with external HD attached. )but when both cameras are on at the same time, they seems to interfere with each other,and regularly delete (all) older recordings of both cameras. (apparently as they "think" the HD is full)
This does NOT happen when only one camera is on.I even tried to record at the lowest possible quality as not to take up too much bandwidth,but problem remains.
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Aug 23, 2009
I just bought a WRT120N and at different times it will randomly restart and disconnect all the computer on my network I have 4 wired devices and 4 Wireless devices.
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Jun 2, 2011
Currently using a netgear WG602 wireless router which i use to connect to my 2nd PC and Iphone, with the Netgear router running from my main PC.I have recently been having trouble with my 2nd PC ad Iphone randomly losing connection and the only way for the connection to be reastablished is to reboot the wireless router. Once rebooted i am able to connect again to the internet with no problems, interestingly enough my main PC never loses connection. Also sometimes when i lose my connection and reboot the wireless router i will have a IP conflict pop up on my 2nd PC however i would i say i get this once in every 10 dissconects and not all the time. Sometimes i won't dissconect at all in a day but sometimes i may dissconect 5-6 times.
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Aug 27, 2012
I have a friend who is in need of a laptop or netbook only for word processing.
The device cannot have any possibility of connecting to the internet, and also cannot have a webcam. I may be able to find one without a webcam, but I think the possibility of finding one without a NIC wouldn't be easy, if at all possible.
I can only think that disabling the network adapter in registry edit will be something she won't be able to undo (she's not majorly tech savvy).
I've not purchased the laptop/netbook yet, but I would like to know if it's possible and/or how to do it before I buy it.
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Aug 17, 2012
The problem started a few days ago, with no apparent catalyst. I'm running Windows XP SP3 on a computer I built myself. The ethernet controller is built into my motherboard, an ASUS P5Q SE PLUS. As far as I can determine, the ethernet controller is a Realtek RTL8168C(P)/8111C(P) PCI-E Gigabit Ethernet NIC. Here's the ipconfig that I ran:
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:Documents and SettingsOwner>ipconfig /all
[Code]......
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May 20, 2011
I have a modem connected to my pc, and the ethernet can be removed and connected to a laptop to access internet. How do I prevent access to other laptops and computers?
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Apr 27, 2011
Am running LMS 4.0 on windows 2003 server, i would like to disable or remove notifications with the EventName 'ExceededMaximumUptime' and 'BackupActivated' on the device fault summary view. How do i achieve this? This will be useful in only monitoring fewer notifications.
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