Losing connection to the Domain Controllers at a remote site

We have a remote site with a IPsec tunnel for a site to site connection and there are about a dozen window 7 systems on site. Every 3 to 5 weeks, the systems start to lose the ability to log into the domain. Running some tests, the DNS names
keep resolving, their subnet is setup in Sites and Services to the group with the DC's and they are setup correctly for IP settings but seems like they still can't connect back to the DC's. From there, under network profiles, it says the domain network
is unauthenticated.
The only way we have found to fix this is to dis-join the computer from the domain and rejoin it.
Is there a way from the computer to force it to re-authenticate without having to do this or a better fix?

Hello Technsopyder,
Do you means all the Windows 7 use the IPsec will lose connection to the Domain Controllers every 3 to 5 weeks?
Do you receive the error code 5719 and 3210? Could you please provide the whole error message?
Please check if you need to change the password before this issue as Brano Lukic mentioned.
Best regards,
Fangzhou CHEN
Fangzhou CHEN
TechNet Community Support

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How to safely change the domain controllers that Exchange use from Out-Of-Site into the In-Site ?

Hi Folks,
I'd like to know what's the best way to edit the Exchange Server 2007 entry
In-Site entries and removing the entries from Out-Of-Site safely without causing any downtime or problem with the workstations ?
From the MSExchange ADAccess Event ID 2080, I can see that the Domain Controllers that is currently used by Exchange Servers is all on the
In-Site lists which I need to decommission due to office building migration and downsizing, the workstations remain in the same building only the servers must go.
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Exchange Servers AD Site: HQ1 (for all roles)
Workstations AD Site: HQ1
Proposed configuration:
Exchange Servers AD Site: Prod-DC1 (for all roles)
Workstations AD Site: HQ1
Thanks.
/* Server Support Specialist */

Hi,
Steve's clarification is right.
From your description, you want to change the DC used by Exchange server. If I have misunderstood your concern, please let me know.
Please make sure the following things before setting the DC for Exchange:
1. New DC has its own IP in its TCP/IP as primary DNS server.
2. New DC is global catalog.
3. New DC has correct DNS settings in the MSDC folder.
4. Restart the Exchange active directory topology discovery service and watch the event viewer, there should be an event that discover both domain controllers. If this happens, then turn off the old DC.
Besides, topology information will remain in the system attendant service for 15 min, so the time to switch to the new one is about 15 minutes.
Hope my clarification is helpful.
Best regards,
If you have feedback for TechNet Subscriber Support, contact
[email protected]
Amy Wang
TechNet Community Support
Amy,
The Exchange Server has been rebooted couple of times but yes, all of the In-Site AD servers are still on not rebooted yet.
So in this case do you suggest me to demote the oldDC and turn off all of the In-Site DC/GC first and then reboot Exchange Server after wards one by one ?
/* Server Support Specialist */

I have an iPad 2 connected to airport express so that I can play and change music whilst I am teaching ballet class. Recently, I keep losing connection and the airport express gets quite hot. I have alway used Archos but changed to Apple for reliability!

I have an ipad 2 with airport express that I use to play and change music whilst teaching ballet class. Recently, I keep losing connection and the airport express appears to be getting quite hot. I did use Archos but changed to Apple for reliabilty! Can anyone help or should I just buy a new airport express.

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Acouple of days ago I kept losing connectivity with the internet.By resetting either my modem or Airport Extreme I could regain it for 10-30 min. when I would have to repeat the resetting.Since with Apple

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WRT54G v4 keeps losing connection to the internet

My WRT54G version 4 keeps losing connection to the internet. I've been on the phone w/ customer service so many times that the last time I think they gave up because after putting me on hold they never got back on the phone! :-)
Anyway one pattern I am seeing is that the router loses connection to the internet within two or three hours after I disconnect from the Cisco VPN and shut down my work PC. Has anyone else seen something like this?
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I found that Linksys EasyLink Advisor is a needless program that ultimately downgrades your router from a good piece of technology to a problematic pile of junk. So, therefore, try uninstalling Linksys EasyLink Advisor to get your good, solid hardware back. All you need to do to in order to get your router to work is plug it into an outlet, plug your Internet connection into the router, and then connect your router to your computer. It should then work without software (i.e., LELA) complicating it up.
Now, if you feel the need to set up an SSID or security, which I highly suggest, type 192.168.1.1 into your web browser. Leave the user name blank, and type admin as the password. Go to the Wireless tab and type something in as the SSID. It could be anything, just as long as it isn't linksys. Click on the Wireless Security sub-tab. Select WEP as the security mode with a WEP encryption of "64 bits 10 hex digits". Now, in Key 1, you need to type in a 10-digit password of numbers 0-9 and letters A-F (I believe). I suggest you use your phone number since that is very convenient in this instance.
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Message Edited by Pineconn on 06-24-2008 01:21 AM

I am experiencing network failures with my Airport Extremes: the main router is a 2nd Gen, the extension a 5th Gen. The 5th Gen keeps on losing connection with the main router. Any ideas why?

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Is the second Extreme configured to "extend" the network created by the first? If so its position must be such that it has a strong wireless connection to the first Extreme. If it is at the limits of the first one's wireless range its connection will be tenuous. Place them closer together and determine if that makes a difference.

If I set Firefox as my default web browser, the help links on Adobe Dreamweaver and Flash's welcome screens don't connect to the help pages on Adobe's site. It just links to Firefox's start page and stops. The links work properly if Safari is set to the d

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Hello,
Many site issues can be caused by corrupt cookies or cache. In order to try to fix these problems, the first step is to clear both cookies and the cache.
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Best Practices for Setting up a Windows 2012 R2 STD Domain Controller in a Remote Site

So I'm looking for an article or writeup similar to the "Adding Domain Controllers in Remote Sites" TechNet article but for Windows Server 2012 STD R2. Here is my scenario:
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2. Once the DC is setup I plan on leaving it on our network for a few days before shipping it to remote Site B for installation
Other key items:
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Hi,
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When you install AD DS in the hub or staging site, disconnect the installed domain controller, and then ship the computer to the remote site, you are disconnecting a viable domain controller from the replication topology.
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Best Practices for Adding Domain Controllers in Remote Sites
http://technet.microsoft.com/en-us/library/cc794962(v=ws.10).aspx
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Vivian Wang

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I need to set up a site to site vpn connection using 2 pix 500 series firewalls to connect 2 domain controllers. Once the site to site vpn is established, do the servers automatically see each other for replication?
Thanx.

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Hello all,
We have a customized solution where a domain gpo applies applocker rules to block almost all applications. We have a software to enable some features on the client computer's (Win8.1) local policy, whenever it is needed. The enabling process is executed
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http://technet.microsoft.com/zh-cn/library/ee449480(v=ws.10).aspx
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Hi,
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2. Click the Advanced icon in the toolbar.
3. Click the IPv6 tab.
4. From the IPv6 drop-down menu, select Link-local only.
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You also might want to change the radio channel on both the base station and the Airport Express to use channel 11.

Losing Connection to the Network

Hello all,
For several years I have had problems with getting disconnected while playing video games whenever someone calls. Now I am having the problem but nobody is calling it just kicks me offline for no reason. I thought the problem before was that my phone and wireless were the same Ghz (2.4) but now that the phone isn't causing interference I don't know what is. My Router is a broadband 2.4 GHz Wireless-G router - Model # WRT54GS. I also have a AARIS Touchstone Telephony Modem that Comcast gave us. The problem that I thought I solved was by adding in a linksys Wireless-G Range Expander so that the connection could go from my room upstairs down to my basement, this is not the case anymore. I seem to be able to play for 20 minutes or so but then it says I do not have connection to the network, the only things I can think of are:
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Also change the channel on the router's wireless to 11. This is the least used frequency.
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I keep losing connection to the internet

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Have you tried adding local DNS servers? This sounds a bit like the problem I had that Erik W solved by having me stop using DHCP for DNS servers and adding my ISP;s local DNS servers manually - do not know if this has been fixed in 10.5.1 or not since I'm back to my house that has wired internet
Larry Nebel
Message was edited by: LarryHN
Message was edited by: LarryHN

Flash Players Crash Due Losing Connection To The Internet Server , Why is that Happening ?

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Download the Adobe Flash Player FULL offline installer directly by clicking one of the following links.
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Losing connection to the Domain Controllers at a remote site

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