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Windows Server



TCP/IP    

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Recently in TCP/IP Category

This is the list of contents that correspond to this category:

administrator

Kerberos does not work through NAT

Problem Description Kerberos does not work through NAT   Resolution Kerberos does not work through NAT (confirmed through deployment planning guide) Per rfc, host address is encrypted and part of the ticket This is to prevent spoofing....
administrator

You experience a long delay when you log on to a domain through a NAT server

SYMPTOMS You may notice a delay when you log on to your domain account, and the logon may revert to NTLM authentication. This behavior occurs when the following conditions are true: • You try to use Kerberos to log on...
administrator

NAT Netlogon and Kerberos Primer

Created : 09/18/2006 TITLE: NAT Netlogon and Kerberos Primer [ ]   Problem Description   # Issue:   Common Knowledge appears to state that is Network Address Translation (NAT) is in place then trusts, logons, and Kerberos will not...
administrator

Kerberos Network Authentication Protocol over Network Address Translation (NAT)

Kerberos authentication protocol might fail in environments that use Network Address Translation (NAT) or DHCP..? What is causing Kerberos authentication to fail in these environments? Is this something I need to worry about in my Windows Active Directory (AD) environment?...
administrator

Troubleshooting Windows Firewall settings in Windows XP Service Pack 2 for advanced users

http://support.microsoft.com/kb/875357 Configuring Windows Firewall by using the Windows Security Center   Adding a program exception When you add a program to the exception list, you enable the firewall to open ranges of ports that could change every time the program...
administrator

Ports - List of Common and Default Ports on a Windows Environment

  Protocol Port LDAP udp 389 tcp 389 LDAP (SSL) udp 636 tcp 636 Kerberos udp 88 tcp 88 DNS udp 53 tcp 53 SMB over IP udp 445 tcp 445 Global Catalog Server tcp 3269 tcp 3268  ...
administrator

NIC Teaming

Windows Server 2012 NIC Teaming provides transparent network failover and bandwidth aggregation. Uniquely, the Windows solution is hardware-independent and can be deployed under all existing workloads and applications on both physical and virtualized servers.   What is NIC Teaming? A...
ebhakt

Access is denied

When you face the issue of access is denied, please refer to the following sequence of steps for troubleshooting: • Binding Order of NIC Cards • SMB • DFS Service -- > started and Running • Permissions on SYSVOL •...
ebhakt

The Format of the specified network name is invalid

The Format of the specified network name is invalid. • Binding Order of the NIC Card • SMB • DNS • Enable NETBIOS over TCP/IP • The "Register this connection in DNS" - Checked...
ebhakt

Not able to access Domain via \\domainname\sysvol errormessage: "No network provider accepted the given network path"

Not able to access Domain via \\domainname\sysvol errormessage: "No network provider accepted the given network path" • Binding Order • TCP/IP Net BIOS Helper Service • MaxPacketSize and EnablePMTUBHDetect in case of WAN • Disable TCPChimney, EnableRSS, and TCPA in...
ebhakt

Not enough storage is available to complete this operation

Not enough storage is available to complete this operation To resolve this problem, add the MaxTokenSize registry entry and the MaxUserPort registry entry on the affected domain controllers. To do this, follow these steps: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Lsa\Kerberos\Parameters New DWORD Value. 'MaxTokenSize' =...
ebhakt

The authentication service is unknown

The authentication service is unknown. • Check the NetLogon Service. • Binding order of the NIC card. • Update the NIC Drivers...
ebhakt

There are no more endpoints available from the endpoint mapper

There are no more endpoints available from the endpoint mapper. "No more endpoints available" means the RPC endpoint mapper, which runs on port 135 TCP, was not able to use a port above 1024 for a service that runs over...
ebhakt

Make sure that the TCP/IP NetBIOS Helper service is started on all computers

Make sure that the TCP/IP NetBIOS Helper service is started on all computers As taken from KB 887303 All computers on the network must run the TCP/IP NetBIOS Helper service. To verify that the TCP/IP NetBIOS Helper service is running...
ebhakt

Examine the DNS settings and network properties on the servers and client computers

Examine the DNS settings and network properties on the servers and client computers As taken from KB 887303 In the local area connection properties, Client for Microsoft Networks must be enabled on all servers and client computers. The File and...
ebhakt

Group Policy slow link detection

Group Policy slow link detection http://technet.microsoft.com/en-us/library/cc978717.aspx Group Policy slow link detection Computer Configuration\Administrative Templates\System\Group Policy Description Defines a slow connection for purposes of applying and updating Group Policy. If the rate at which data is transferred from the domain controller...
ebhakt

How a slow link is detected for processing user profiles and Group Policy

How a slow link is detected for processing user profiles and Group Policy http://support.microsoft.com/kb/227260 How a slow link is detected for processing user profiles and Group Policy SUMMARY This article describes how a slow link is detected in Windows 2000...
ebhakt

Error Message: Request timed out.

Windows Server 2003 SP2 only Error Message: Request timed out. http://msdn.microsoft.com/en-us/library/ms819617.aspx Explanation: The ping command timed out because there was no reply from the host. User Action: Ping your local address 127.0.0.1. This will tell you that TCP is functioning....
ebhakt

EnablePMTUDiscovery

EnablePMTUDiscovery EnablePMTUDiscovery is a registry key that can enable the windows operating system to discover the working MTU size in effect itself by sending packets of variable size to the destination. By sending packets of data in variable sizes the...
ebhakt

How to Troubleshoot Black Hole Router Issues

How to Troubleshoot Black Hole Router Issues http://support.microsoft.com/kb/314825 How to Troubleshoot Black Hole Router Issues SUMMARY This article defines the term "black hole" router, describes a method of locating black hole routers, and suggests three ways to avoid the data...
ebhakt

How to force Kerberos to use TCP instead of UDP in Windows Server 2003, in Windows XP, and in Windows 2000

How to force Kerberos to use TCP instead of UDP in Windows Server 2003, in Windows XP, and in Windows 2000 http://support.microsoft.com/kb/244474 How to force Kerberos to use TCP instead of UDP in Windows SUMMARY The Windows Kerberos authentication package...
ebhakt

TCP/IP NETBIOS helper Service

TCP/IP NETBIOS helper Service This service is used while accessing shares on a windows workstation. http://technet.microsoft.com/en-us/library/cc757956(v=ws.10).aspx TCP/IP NetBIOS Helper (System Services for the Windows Server 2003 Family and Windows XP Operating Systems) Applies To: Windows Server 2003, Windows Server 2003...
ebhakt

TCP/IP

TCP/IP TCP/IP is the set of protocol suite as described under the OSI model for network communication in and on the Internet and Intranet networks. It describes sub-netting and other similar methods to define networks and helps then communicate with...


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  • Parent Category: Microsoft Networking

  • Current Category: TCP/IP










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