Created small domain - But now cannot ping any of my devices that i added

Darrin Crawford
Darrin Crawford used Ask the Experts™
on
Created Server 2012, DC, AD/DNS/DHCP are working fine.
Added 7 devices to this domain with no issues.

Devices have appeared in AD/DNS - and all appeared fine.

I could ping from server, also from each device, no issues.

Came in today and cannot ping anything, all services look ok, nothing on event viewer.

Have restarted DC - no change, can ping nothing.
when I use arp -a, they all appear.. Any ideas?
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Patrick BogersDatacenter platform engineer Lindows

Commented:
Hi

Is file and printer sharing enabled in advanced nic properties?
Is network Discovery enabled?
All Yes? Temporarely disable the firewall and test again....

Cheers
Emmanuel AdebayoGlobal Windows Infrastructure Engineer - Consultant
Top Expert 2013

Commented:
Can you ping any of the devices from each other?

Is your Server issuing out IP as expected?

Can you ping your gateway?

Have you check that there is firewall turn on?

Regards
Tom CieslikIT Engineer
Distinguished Expert 2017

Commented:
Enable File and Printer Sharing on Firewall on all workstations

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Have checked firewall, have switched off.  Still the same.
Network discovery is enabled., file/printer sharing enabled.

Cannot ping any device from anywhere on domain.

Server is handing out ip addresses.

Was working fine yesterday!
Tom CieslikIT Engineer
Distinguished Expert 2017

Commented:
Can you post IPCONFIG /all from server and one affected workstation ?
Distinguished Expert 2018

Commented:
What happens when you try to ping? And what exactly do you try to ping?

Author

Commented:
If I ping host name, times out.
If I ping ip address times out.
Distinguished Expert 2018

Commented:
And if you try to ping a system outside of your network? You could also try going into TCP/IP properties and unchecking IPv6 (do not uninstall it).

Author

Commented:
I haven't got that far with it as yet.  It is only a test domain.
If I try to ping outside transmit failed, failed in transit.

would expect that though.
Tom CieslikIT Engineer
Distinguished Expert 2017

Commented:
Can you post IPCONFIG /all from server and one affected workstation ?
Distinguished Expert 2018

Commented:
The way this is sounding, and correct me if I'm wrong, NONE of the devices can ping, correct?

Author

Commented:
NONE of the devices can ping at all!!
Tom CieslikIT Engineer
Distinguished Expert 2017

Commented:
I asked you twice to post Ipconfig to help us understand your configuration If you don;t want to do it for some reason, it's going to be hard to help you
Distinguished Expert 2018

Commented:
Are all of these devices connected to the same switch? And if so, is the switch working properly?

Bear in mind that I am making the assumption that the DC is also serving as the DHCP server since there is no mention of a router or a hardware firewall.
Came in this morning and all machines are pinging as they were on Tuesday.
Thanks for your help everyone

Author

Commented:
Was working fine when I came in this morning

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