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Questions tagged [netbios]

140 questions
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netbios traffic after adding host to snmp allowed hosts

I noticed in my firewall that there was a ton of traffic for net-bios traffic (udp 137) after adding some hosts to the snmp allowed packets list in windows server 2008. I could not find any documentation about why this is occurring as the snmp…
screwuphead
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Show NetBIOS name before Username on Windows 7 Logon

I am setting up a new DC using Windows Server 2008 R2, and my FQDN is MFC.com. When I logon to a client computer (E5530.MFC.com) using that domain, instead of showing "MFC\user.name", it shows "E5530\user.name". How can I get the logon screen to…
Sean
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NetBIOS ping issues

I am having an issue with NetBIOS Pinging. When I ping a PC/Server on the network with its NetBIOS Name I am finding that the PC/Server is getting associated with an IP address outside my network (IP 92.242.140.21 to be specific) and this will…
UpTooL8
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Windows 7 Spamming Domain Controllers on ports 445 and 139, causing lockout

I have a domain lockout issue and in troubleshooting, I found through netstat that my machine is pummeling the domain controllers on ports 445 and 139. It is creating thousands of user ports to do this: today it started at port 54000ish and within…
GoalBased
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Troubleshooting unwanted NTP Traffic

A domain controller running Windows Server 2012 is sending NTP and NETBIOS traffic to an address that has never been configured as a time provider. The server logs give no indication that any NTP traffic is failing. The only place I see any evidence…
Jaxaeon
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Why would file services only be setup for TCP 139?

I am learning a legacy system where the security team only opened TCP port 139 between web servers and a file server (both Windows 2008 R2) for file access. I have usually used TCP port 445 for such access. Why would the recommend using port 139…
Brettski
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Connecting to windows 2003 using ipv6-literal: A duplicate name exists on the network

I'm trying to connect to Windows 2003 server's share using ipv6 address from Windows Server 2008. I use ipv6-literal.net conversion as described on http://msdn.microsoft.com/en-us/library/aa385353.aspx…
Vanuan
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Test machine (Win7 laptop) redirect server UNC paths back to same test machine

I have a Windows7 laptop for developing at home. The live application makes calls to the SQL Database ("CANCENTRESRV") which I have been succesful in redirecting back to the my laptop using HOSTS entries for CANCENTRESRV to point to 127.0.0.1 etc.…
dmc2005
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Windows Azure: file share, named pipe between virtual machines

I'm not able to get named pipes working within a single VM or across 2 VMs within Azure. Availability set is not an option. So, if the VM name is testVM.cloudapp.net, the named pipe is failing with username or password is incorrect. If we use…
chandra
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Multiple users can't access server's shared drive under NAT

The setup is Server -computer -computer Router -computer -computer -computer -computer If multiple computers underneath the router try to access the drive at the same time, it says the network name can't be found.
Avery3R
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Netbios in AD console

I was wondering, in the AD users $ computers console, it's using the netbios name to display the machine name. Is there a way to use the DNS name instead of the netbios? thanks
Alex
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how to send a corrupt netbios packet

I want to send a corrupt netbios Session Service packet to my machine, My goal it to check whether my machine restarts or not upon receiving the corrupt netbios packet (this has happened before and I want to reproduce the same). I am using scapy…
Gaara
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Cannot browse remote networks even with WINS configured

As the NetBIOS protocol acts on Layer 2 and so is not routable, In order to enable network browsing of remote networks, WINS has been installed and configured on two domain controllers, both of which are on different networks. The WINS servers seem…
paradroid
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AD domains & DNS domains

I've long been a fan of site specific DNS domains (e.g. .company.com). With AD, having a separate domain means an extra pair (for redundancy) of DCs which seems excessive (in cost and complexity) in small environments. As a result, in my…
Toto
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Publish network shared storage to Windows network

Mac OS X uses Bonjour (multicast DNS) to publish shared folder service to local network. And, newly joined Mac OS X laptop automatically find shared storages very quickly and easily. In case of Windows, I think NetBIOS BROWSE is used to publish…
Wonil
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