Samsung Failing Ping Domain
Ping is a program used to check whether a host is up and active in network. It’s pretty simple and usually used to troubleshoot network problem. Here is typical home wired network design, let's explore how to use this ping tool to troubleshoot network problem and find the root cause.1) First thing you need to do is to make sure there is light on network card with cable connected. Sometimes network down is due to disconnected network cable or loose cable connection. If you notice no light on your network card after connecting with network cable, make sure the network cable is working and router that connected by this computer is up and active.
I can ping IPs but can't resolve domains. Ask Question 7. I have Xubuntu 14.04 installed on my server. Job failed while stopping start: Job is already running: networking I tried stop then start and reload but they didn't seem to do anything. How do I diagnose the problem? This video helps you fix the connection of the internet on your Samsung Smart TV. But first make sure that the internet cable is connected. Recommended video.
If you see the light, then proceed to step 2.Note: You need to make sure the network cable is connected to router's LAN port2) Go to Start and click on Run.3) Run window will appear. Type in cmd on Run window and click OK.4) Key in ping in Command Prompt window.
This is network card loopback address. If you receive Reply from 127.0.0.1, it works. If you receive Request timed out, it means network card doesn’t work properly. The tick season 1 episode 1.
Unplug and re-seat the network card, connect with network cable then ping loopback address again. If still fails, check the network card driver status in, or to troubleshoot network card and make sure the card works well. If still fails, most probably the network card cannot be used anymore. Try again by using other network cards.
However if you just cannot install network card driver correctly on this computer but it works on other computer, then maybe there is problem on Microsoft Windows OS or its TCP/IP function.5) Ok, now you can proceed to ping your computer IP address. If you are not sure about computer IP, use to find out. If you fail to ping this IP or no IP is configured on computer, check network configuration such as IP address (assigned manually or automatically?), subnet mask, gateway on network card to make sure it's configured correctly.6) If you able to ping loopback address and your computer IP, proceed to ping router LAN IP address.
If you receive Request timed out, make sure router is up and configured properly with correct IP, subnet mask, DHCP and other network settings.Note: Ensure that your DSL/Cable modem is configured in bridge mode (not routing mode), so that it can work well after connecting to router. If you need more idea, here is an, you can have a look if you like.Note: Even if router is up and it's configured properly, you need to check and ensure the computer is connected to correct and working router LAN port too, sometimes it might be connected to faulty port or incorrect port (such as uplink port).Note: If you have enabled firewall on router, make sure firewall is configured correctly without dropping legitimate network packets.7)If you can ping the router IP, then you should be able to ping the other computers or notebook in your network.
If you still fail to ping the router IP or other computers, then you can take a look on this in order to get more helps.8) If you have successfully done above steps and all are working properly, but you still fail to connect to Internet, then check your DSL, cable or wireless modem and router to make sure all cables are connected correctly. Reboot your DSL, cable or wireless modem and router and try internet access after that.If still no Internet connection after that, connect computer to modem directly with network cable and test Internet connection. If this works, then I think the problem is on wired router configuration. If this fails too, contact your ISP for getting more helps to troubleshoot this network problem.
This might due to some problems at your ISP side sometimes or the modem is broken.Note: Sometimes you might find out your computer is connected to network, but just cannot browse Internet websites. So what to do next? Just use to try resolving the domain name, if there is problem then you can try to use the free DNS servers (208.67.222.222, 208.67.220.220) provided by.Note: The other possibility, if suddenly you fail to access any webpage, maybe your computer is infected with adware, malware, worm or virus, so you should scan your computer by using antivirus or antispyware with latest signature.
Hi all,we have an AD centric SCOM instance where we are only monitoring about 100 DCs.In active alerts, every time I see these alerts in great volume: Failed to ping or bind to the Domain Naming/Infrastructure/RID/Schema master FSMO role. The default Gateway is pingable.Whats exactly happening here?
Since I am not an AD expert, I approached to AD team with these alerts and their solution was to Run theNETDOM.EXE query FSMO from the console and if the task is successful, close the alert. Every time I run this task, it succeeds and so I close the alert.Is this really a valid solution? I'm a little skeptical because If the task succeeds every time then why am I getting these alerts in the first place? What exactly is the SCOM agent checking here?Also this isn't a kind of rule that keeps running on a timely-basis, right? Because the only things I see in overrides are 1.
SeverityAny help is greatly appreciated. Hi Sam,no probs.' I agree with you 100% that is why I am spending time to find the proper and permanent solution for this. But I'm beginning to suspect that this a problem related to network connectivity, and that's where it stays no longer in my hands.' If after getting this alert from a specific domain controller(s), you test the icmp, ldap (389) connectivity and those are OK, then you just migght be right. Ensure that IPv6 is not disabled on those servers are then contact your network team to helpyou troubleshoot the issue.:) You can tell them that icmp, but mostly ldap binds fails in an intermittent way and they should not how to analyze the traffic and obtain more details.:)Cheers, Sam,Regards!Stoyan (Please take a moment to 'Vote as Helpful' and/or 'Mark as Answer' where applicable. This helps the community, keeps the forums tidy, and recognizes useful contributions.
Hi Sam,the command the AD gave you checks the FSMO role holders, but it isn't the proper way to verify the cause for the alerts.The alerts are triggered by a script, which tries to ping (ICMP) and then bind (LDAP) to the FSMO role holders, identified in the netdom query FSMO command.So what you will have to check is the icmp and ldap connectivity to the affected AD servers. Also the account, you are using is in the play. You have to check the details of each alert to see what is exactly the issue.I have prepared a two sources for you to check.
They are basically describing the same with some more details:andPlease check the ports (ICMP and LDAP) and make sure your account have been set up properly. Somewhere on the way you will find the cause and the resolution.Hope this helps.
Regards,Stoyan (Please take a moment to 'Vote as Helpful' and/or 'Mark as Answer' where applicable. This helps the community, keeps the forums tidy, and recognizes useful contributions.
Hi Sam,'Hey Yan, what is the impact on AD functionality if I disable these monitors?' You will not be able to verify/monitor your FSMO role holders and cannot alert if one of them goes really down.The user from the link you've posted has disabled the buil-in monitors and created his own. Of course you can do the same, but it makes sense to first check the ICMP and LDAP/LDAPS connectivity to your FSMO role holders.Also this user describes that his custom monitor is based on a some warning (ID 19) in the Operations Manager event log. If you have those you can go for it and if not you can monitor the output of netdom query fsmo. In this case you wll be doing exactlywhat the MP also does.Regards,Stoyan (Please take a moment to 'Vote as Helpful' and/or 'Mark as Answer' where applicable.
This helps the community, keeps the forums tidy, and recognizes useful contributions. Hi Stoyan,I just logged in to these DCs where I'm getting alerts from and ran the netdom query fsmo cmd, and it came back successful.
Also I am successfully able to ping the FSMO master from those DCs. But I still am getting the alerts saying failed to ping to master.I don't understand why.Is there any other parameter in SCOM that I can fine-tune? Like the user posted, ' MS has suggested to me increase the frequency of the monitorsby 60 mins', how can I change this frequency and does it solve the problem?Thanks!Sam. Hi Sam,one of the causes could be a temporary network connectivity loss.Or as it seems the issue can occur if IPv6 has been disabled. See:and here:2.
Which version of the MP are you using. It seem that there was also a known issue with previous versions.From:'The “ADOpMasterResponse.vbs” script in the Active Directory Domain service MP failed on some environments where region for local system is set to a non EN-US locale. This was due to a date field not bring stored in registry in the date format ofthe region/locale. With this fix, the script doesn't fail when region is to to a non EN-US locale. 'The ADOpMasterResponse.vbs is exactly the script that triggers the alerts.After you check those you can try and override the monitor AD DC Op Master Last Bind Monitor.Please open the AD MP Guide and read the section 'Operation Master Monitoring' for more details. From the guide:' For each operations master, the Active Directory Operations Master Response script determines the point at which that operations master was last tested successfully. If the number of script runs since the last successfultest is greater than or equal to the SuccessCountparameter, the test is performed again (with the exception of the PDC emulator master, which is tested during each script run). An operations master is also tested if the previous test of the same operations master failed or if the operations master has notbeen tested since the Operations Manager service started.If the script tests an operations master and the test fails, the script generates an event and increments a counter that is associated with the domain controller being tested.
Samsung Failing Ping Domain Problems
If the counter equals theFai lureThresholdparameter, the script generates another event, and it generates a Warning alert indicating that multiple consecutive failures have occurred.When the script tests an operations master and the test completes successfully, the failure counter for that domain controller is reset to 0, and a success event is generated. The script also generatesan Information alert.'
So in order to override the monitor you will have to:1. Open the Operations console, and clickAuthoring.2. Expand Management Pack Objects, and then clickMonitors.3. In the Monitors pane, expandActive Directory Domain Controller Server 2XXX Computer Role.4.
Expand Entity Health, and then expandPerformance.5. Right-click AD DC Op Master Last Bind Monitor, where isthe operations master role that you want to modify.6. Click Overrides, clickOverride the Monitor, selectFor all objects of class: Active Directory Domain Controller Server 2XXX Computer.7. Select the Override box that corresponds toEnabled in theParameter Name column.
Ensure that the value in theOverride Value column is set toTrue.8. Select the Override that corresponds toThreshold Error (sec) in theParameter Name column, and then enter the value that you want to use in theOverride column.9. Select the Override box forThreshold Warning (sec), and then enter the value that you want to configure in theOverride Value column. In Select destination management pack, selectthe management pack that you created for Active Directory Management Pack (ADMP) customizationsHope that helps you further.Cheers,StoyanStoyan (Please take a moment to 'Vote as Helpful' and/or 'Mark as Answer' where applicable. This helps the community, keeps the forums tidy, and recognizes useful contributions. Thank you a ton Stoyan for putting in all that effort!:)But I noticed that the monitor you are referring to here is ADDC Op Master Last Bind Monitor while I'm, getting errors from the rule Failedto ping or bind to the Domain Naming/Infrastructure/RID/Schema master FSMO role. The default Gateway is pingable.And Like I mentioned in my question in the overrides tab of this rule, there are just three parameters, 1.
Priority 3.SeverityOr is it that changing the monitor you are referring to will subsequently resolve those alerts as well?Please bear with me a little longer!:). Hi Sam,then you could take the same way as described here:Unit monitor - Repeated Event detection - Timer reset and configure your desired reset settings.Take into consideration that you have different event IDs for the different FSMO roles. To get the proper event IDs review the configuration of each monitor associated with a role. Example - Schema Master - Warning, ID19; RID Master - Warning, ID 15, etc.,etc.You can check how frequent those event are and configure an auto reset according to this.I you allow me to express my humble opinion: I would definitely invest more time to do a root cause search for the failed pings and binds as in this case you are just masking the alert and if you have real outage if the FSMO role holders in the domain, thiscould cost you precious time.Regards,Stoyan (Please take a moment to 'Vote as Helpful' and/or 'Mark as Answer' where applicable.
This helps the community, keeps the forums tidy, and recognizes useful contributions. I you allow me to express my humble opinion: I would definitely invest more time to do a root cause search for the failed pings and binds as in this case you are just masking the alert and if you have real outage if the FSMO role holders in the domain, thiscould cost you precious time.Regards,Stoyan (Please take a moment to 'Vote as Helpful' and/or 'Mark as Answer' where applicable. This helps the community, keeps the forums tidy, and recognizes useful contributions. Thanks!)I agree with you 100% that is why I am spending time to find the proper and permanent solution for this. But I'm beginning to suspect that this a problem related to network connectivity, and that's where it stays no longer in my hands.Anyway, thank you so much once again:)Sam. Hi Sam,no probs.' I agree with you 100% that is why I am spending time to find the proper and permanent solution for this.
But I'm beginning to suspect that this a problem related to network connectivity, and that's where it stays no longer in my hands.' If after getting this alert from a specific domain controller(s), you test the icmp, ldap (389) connectivity and those are OK, then you just migght be right.
Ensure that IPv6 is not disabled on those servers are then contact your network team to helpyou troubleshoot the issue.:) You can tell them that icmp, but mostly ldap binds fails in an intermittent way and they should not how to analyze the traffic and obtain more details.:)Cheers, Sam,Regards!Stoyan (Please take a moment to 'Vote as Helpful' and/or 'Mark as Answer' where applicable. This helps the community, keeps the forums tidy, and recognizes useful contributions.