error message I was trying to send out e-mails
the error message stated ” the connection to microsoft exchange server is unavailable outlook must be online or connected to complete this action”

Answer Question   |  January 13, 2006  11:39 PM
Active Directory, Bind, Desktops, DHCP, DNS, Exchange, Management, Microsoft Windows, Mobile, Mobile security, Networking, Networking services, OS, Ping, Security, Servers, SQL Server, Tech support, VoIP, Wireless

Adding Child Domain to Existing Windows 2003 Domain Server
I ma trying to add a second domain controller to an existing Win2k3 DC as a child domain for testing purposes. However, when I run dcpromo and follow the steps, I receive and error: “An error occured…DNS was queried for service location resource record” “The query was for SRV ldap_tcp.dc_msdcs.d1.com” I’ve tired everything short of [...]

Answer Question   |  January 13, 2006  12:54 PM
Active Directory, Desktops, DHCP, DNS, Management, Microsoft Windows, Networking services, OS, Security, Servers, SQL Server

Users can’t access website hosted offsite from inside network.
Here is the configuration and then I will explain the problem: 1 Windows 2003 server DNS and DHCP running on sigle server. 10 Windows XP users Currently when the domain is setup using the name of the company which is also the domain name for their registered website i.e www.xyz.com is doamin xyz.com on their [...]

Answer Question   |  January 13, 2006  2:30 AM
DHCP, DNS, Networking services

remote desktop web connections
Hello I currently have a win2003 server, used mainly for remote desktop connections with terminal services. I would like to set up for remote web connections. Can this be done at the same time as regular remote connections are still coming in? I ask because I set up DNS on the server and was in [...]

Answer Question   |  January 6, 2006  11:45 AM
DHCP, DNS, Networking services

DNS PTR records inexplicable appearance
I’ve met some strange DNS server behavior. A month ago I’ve renamed the domain. Today I found a PTR record containing old domain name. I deleted it, but after refresh I saw this record again. I checked DNS update requests log for the request to create this record but didn’t find anything. How can I [...]

Answer Question   |  January 11, 2006  2:35 AM
Desktops, DHCP, DNS, Management, Microsoft Windows, Networking, Networking services, OS, Security, Servers, SQL Server

NMAP IN WIRELESS
Hello, Can any one explain me what is NMAP , how NMAP works and how to use it. Kind Regards, Gopal.

Answer Question   |  December 30, 2005  9:10 PM
3Com, Active Directory, Availability, Avaya, Bandwidth, Benchmarking, Bind, Cabling, Cisco, DataCenter, Desktop management applications, DHCP, DNS, Fault isolation, General Directories, Hardware, Hubs, Interoperability, LDAP, Lotus Domino, Microsoft Windows, Mobile, Mobile security, Network applications management, Network management software, Network monitoring, Network testing, Networking, Networking services, NFS, Novell NDS, Performance management, Ping, Protocol analysis, Remote management, Routers, Software, Switches, Tech support, VoIP, WINS, Wireless

Postfix and DNS
I have installed Postfix on my server with DNS. I am not sure what information I should provide here so let me explain the setup and goals. I have SuSE Enterprise 9, Apache, Static IP address. In other words a hosted website/server. The goal is to also have this as a mail server. I am [...]

Answer Question   |  December 30, 2005  5:44 PM
Availability, Bind, DHCP, DNS, Enterprise Desktop, Linux, Network applications management, Network management software, Network protocols, Networking, Networking services, Protocol analysis, TCP

Running out of IP addresses
We’ve been using 192.120.197.x with a subnet mask of 255.255.255.0 for our network for years. Due to adding more and more systems, we’re quickly running out of available addresses. What is the easiest way to get more address? Can we simply change the subnet to 255.255.0.0 on all our devices? Thanks, David

Answer Question   |  December 30, 2005  2:19 PM
DHCP, DNS, IPv4, Networking, Networking services

WIRELESS BRIDGES
Dear Sir’s, I have two wireless bridges. Master and Slave which are 800 ft apart and two high gain antennas are attached to these units. I am finding a disconnection problem with these bridges. It works for a while but gets disconnected and after doing powercycle on the slave end the bridge starts working once [...]

Answer Question   |  December 27, 2005  9:06 PM
3Com, Active Directory, Availability, Avaya, Bandwidth, Benchmarking, Bind, Cabling, Cisco, DataCenter, Desktop management applications, DHCP, DNS, Fault isolation, General Directories, Hardware, Hubs, Interoperability, LDAP, Lotus Domino, Microsoft Windows, Mobile, Mobile security, Network applications management, Network management software, Network monitoring, Network testing, Networking, Networking services, NFS, Novell NDS, Performance management, Ping, Protocol analysis, Remote management, Routers, Software, Switches, Tech support, VoIP, WINS, Wireless

Loadsharing between two ISPs
dear sir, I am looking for a load sharing solution between 2 leased lines for 2 different ISPs the diagram goes lke this: LAN–>Cisco Pix–>Router–>2 leased lines. can load-sharing be done at the router without extra configuration at the providers side? can CEF (cisco express forwarding) be used with static routes? if yes please verify [...]

Answer Question   |  December 28, 2005  10:15 AM
Access control, Availability, backdoors, Bandwidth, Browsers, Cabling, Cisco, Current threats, DHCP, DNS, Ethernet, filtering, Firewalls, Forensics, Hacking, Hardware, Hubs, human factors, Incident response, Intrusion management, IPv4, Network security, Network testing, Networking, Networking services, Performance management, Routers, Servers, Spyware, SSL/TLS, Switches, TCP, Trojans, Viruses, VPN, Web security, Web site design & management, Wireless, worms

Windows Server 2003 Terminal services
I am configuring a server to be used as a file server for a small office. The server will be housed off-site and will need to be accessed remotely by 3 users. Is terminal services the best remote access solution in this case? If so can the server also handle licensing or is that necessary? [...]

Answer Question   |  December 23, 2005  9:37 PM
Desktops, DHCP, DNS, Management, Microsoft Windows, Networking, Networking services, OS, Security, Servers, SQL Server

How To Make A LAN In My House HELP!!!
currently i have 2 computers and i am using ADSL can anyone teach me hw to make a LAN in my house pls tell me fully THANKS THANKS THANKS

Answer Question   |  December 19, 2005  12:38 PM
DHCP, DNS, Networking, Networking services

Remote Syslog with MySQL and PHP
Dear All, i want to set up a Remote Syslog with MySQL and PHP on system with whitebox linux,can some tell me a step by step on how to install and configure this,also the requirement needed to complete the task Regards Edwin

Answer Question   |  December 22, 2005  4:43 AM
3Com, Active Directory, Availability, Avaya, Bandwidth, Benchmarking, Billing and customer care, Billing Support Systems, Bind, Cabling, Cisco, Dell, Development, DHCP, DNS, Enterasys, Enterprise Desktop, Ethernet, Fault isolation, FDDI, Foundry, Frame Relay, H.323, Hardware, Hewlett-Packard, Hubs, IPv4, IPv6, Juniper Networks, Linux, Lucent, MPLS, MySQL, NetBIOS, Network management software, Network monitoring, Network protocols, Networking, Networking services, Nortel, Novell IPX/SPX, Performance management, Protocol analysis, Remote management, Routers, SIP, Switches, TCP

LAN connectivity problem with Compaq notebook
I have a Compaq EVO n1020v notebook. This works fine in our office LAN and sometimes it does not at all. Office LAN is a workgroup with ICS enabled in win 2K server. If I check the IP of the notebook it shows the IP of the LAN but never connects to the internet, can’t [...]

Answer Question   |  June 14, 2013  1:35 AM
Business/IT alignment, Cabling, CRM, Data analysis, Data mining/analysis, Data warehousing applications, DataCenter, DataManagement, Desktop management applications, Desktops, DHCP, DNS, E-business, Ecommerce applications, Ethernet, Firewalls, Forensics, Hardware, Hubs, Incident response, Intrusion management, Management, Microsoft Office, Microsoft Windows, Network management software, Network monitoring, Network protocols, Network security, Networking, Networking services, NIC, OS, Patch management, Routers, Security, Servers, Software, SQL Server, Switches, TCP, Tech support, Training, VPN, Wireless

dns problems
I have a DC with Exchange 2003 on Server 2003. I am having some DNS problems which I belive is causing Outlook to Exchange connectivity issues. I understand that there should be a DNS entry _ldap._tcp.dc._mcdcs in the DNS. I did not have this and I tried to manually add it. I have it in [...]

Answer Question   |  December 1, 2005  3:57 PM
Active Directory, DHCP, DNS, Microsoft Windows, Networking services

Transferring a Domain
Hi All, I have a server running on WindowsNT 4.0, we are upgrading to server 2003 on new machine and removing the old machine entirely from network, Could any body tell is there any way of transferring the exisiting users and policies/ entire domain setting to new machine as it is, and not making any [...]

Answer Question   |  December 5, 2005  9:21 AM
Active Directory, Bind, DataCenter, Desktops, DHCP, DNS, Ethernet, IPv4, IPv6, Management, Microsoft Windows, NetBIOS, Networking, Networking services, OS, Security, Servers, SQL Server, TCP

Remore RS232 Control
Good Day All I wondered if anyone knows how to remotely access and control RS23 devices. I will give you my example. I have a PC which is attached to 2 RS232 devices. I would like to have some form of control of the devices attached to the PC from a remote location, like a [...]

Answer Question   |  December 7, 2005  6:25 AM
Cabling, Database, DataCenter, DB2, Desktops, Development, DHCP, DNS, Exchange, Hardware, Management, Microsoft Office, Microsoft Windows, Mobile, Networking, Networking services, Oracle, OS, Project management, Security, Servers, Software, SQL, SQL Server, Tech support, Wireless

bootp and virtual hostnames
I’m receiving a bootp request from a client machine on my bootp server. My server is not responding, and I think the problem is the that request is being sent to the hostname of the virtual IP (hostname_vip found in /etc/hostname.ce1:1 file). I see the name for the destination in the request message from snoop [...]

Answer Question   |  December 1, 2005  9:39 AM
DHCP, DNS, Networking, Networking services

Unable to remote connect to a server using server name.
I have a virtual server that have a different IP address than the host server. I was not successful when trying to connect to the VS using the its computer name. However, I can connect successfully using the IP address of the computer. What are the steps for troubleshooting and fix the problem? Any help [...]

Answer Question   |  December 29, 2005  1:32 AM
Desktops, DHCP, DNS, Management, Microsoft Windows, Networking services, OS, Security, Servers, SQL Server, Tech support

AOL Spammer IP Identification
Concerning the ever increasing amount of received spam, to battle this I have a program with which I can extract the IP address from the sender for reporting purposes, however, I have been receiving an increasing amount from AOL proxy server for which I cannot aquire the senders IP address. Is there another way I [...]

Answer Question   |  November 20, 2005  11:56 AM
Access control, Active Directory, Application security, Availability, backdoors, Bandwidth, Bind, Biometrics, Browsers, Cabling, Compliance, configuration, CRM, Current threats, Database, DataCenter, Development, DHCP, Digital certificates, Disaster Recovery, DNS, Encryption, Exchange, filtering, Firewalls, Forensics, General Directories, Hacking, Hardware, Hubs, human factors, Identity & Access Management, Incident response, Instant Messaging, Interoperability, Intrusion management, Lotus Domino, Microsoft Windows, Network applications management, Network management software, Network monitoring, Network security, Network testing, Networking, Networking services, patching, PEN testing, Performance management, Ping, Platform Security, Policies, Protocol analysis, provisioning, Remote management, Risk management, Routers, Secure Coding, Security, Security Program Management, Security tokens, Servers, Single sign-on, Software, Spyware, SSL/TLS, Switches, Tech support, Trojans, Viruses, VPN, vulnerability management, Web security, Wireless, worms