Voip gateways?????
Hi there I have a major problem setting up my AudioCodes M-114 unit to interact with my exchange server and The pbx. Please tell me there is some one out there that can help me. At this moment i feel like using it as bate on a fishing trip. I have an Exchange server ( [...]
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| October 24, 2006 3:46 AM
Exchange, Exchange security, Network protocols, VoIP
Hi there I have a major problem setting up my AudioCodes M-114 unit to interact with my exchange server and The pbx. Please tell me there is some one out there that can help me. At this moment i feel like using it as bate on a fishing trip. I have an Exchange server ( [...]
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| October 24, 2006 3:46 AM
Exchange, Exchange security, Network protocols, VoIP
Security tab of partitions………..
Hi, My OS is winxp pro sp2 and all partitions is NTFS, when I go to security tab of a partition and want to add a user and click the ADD button it says: ‘Unable to display the user selection dialog (null)’ Could you please help me? Thank you. —- Regard Mahnaz
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| October 24, 2006 8:56 AM
Availability, Microsoft Windows, Network monitoring, Network protocols, Networking, Tech support
Hi, My OS is winxp pro sp2 and all partitions is NTFS, when I go to security tab of a partition and want to add a user and click the ADD button it says: ‘Unable to display the user selection dialog (null)’ Could you please help me? Thank you. —- Regard Mahnaz
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| October 24, 2006 8:56 AM
Availability, Microsoft Windows, Network monitoring, Network protocols, Networking, Tech support
odd NIC problem
Howdy all… I have a win2k3 member server with 2 onboard Intel PRO lan connections. One is 100mb the other 1000mb. On the 100mb connection, I can set either a DHCP or Static TCP address and it works fine. On the 1000mb connection, it works fine on DHCP, but absolutely refuses to connect with a [...]
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| October 28, 2006 5:47 PM
Active Directory, Availability, Bind, Cabling, DataCenter, Desktops, DHCP, DNS, Ethernet, Fault isolation, Hardware, Hewlett-Packard Application Server, Hubs, Interoperability, IPv4, IPv6, LDAP, Management, Microsoft Internet Information Server, Microsoft Windows, NetBIOS, Network management software, Network protocols, Network testing, Networking, Networking services, NIC, OS, Protocol analysis, Routers, Security, Servers, Software, SQL Server, Switches, TCP, Tech support, WINS
Howdy all… I have a win2k3 member server with 2 onboard Intel PRO lan connections. One is 100mb the other 1000mb. On the 100mb connection, I can set either a DHCP or Static TCP address and it works fine. On the 1000mb connection, it works fine on DHCP, but absolutely refuses to connect with a [...]
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| October 28, 2006 5:47 PM
Active Directory, Availability, Bind, Cabling, DataCenter, Desktops, DHCP, DNS, Ethernet, Fault isolation, Hardware, Hewlett-Packard Application Server, Hubs, Interoperability, IPv4, IPv6, LDAP, Management, Microsoft Internet Information Server, Microsoft Windows, NetBIOS, Network management software, Network protocols, Network testing, Networking, Networking services, NIC, OS, Protocol analysis, Routers, Security, Servers, Software, SQL Server, Switches, TCP, Tech support, WINS
Multiple DHCP Scopes for multiple VLANS
I am using Windows Server 2003 as a DHCP server. I would like to have centralized DHCP management using the one server to give out addresses to each of the 3 VLANS. We are also using Cisco switches and I planned on using the dchp-helper to allow the DHCP packets to be forwareded to the [...]
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| April 19, 2013 12:01 PM
Active Directory, Desktops, DHCP, DNS, Management, Microsoft Windows, Network protocols, Networking, Networking services, OS, Security, Servers, SQL Server
I am using Windows Server 2003 as a DHCP server. I would like to have centralized DHCP management using the one server to give out addresses to each of the 3 VLANS. We are also using Cisco switches and I planned on using the dchp-helper to allow the DHCP packets to be forwareded to the [...]
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| April 19, 2013 12:01 PM
Active Directory, Desktops, DHCP, DNS, Management, Microsoft Windows, Network protocols, Networking, Networking services, OS, Security, Servers, SQL Server
I still can’t see the yahoo mail site…?
Hi, Some of my users can’t see the yahoo’s mail site!!! When they click MAIL or type the yahoo mail page address in address bar it says: The page can’t be found!!! Ofcourse I heard of other people that try this from their home and they have problem too!!!??? Could you please help me!!!??? THank [...]
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| December 11, 2009 6:16 AM
Availability, DataCenter, Exchange, Microsoft Windows, Network protocols, Networking, Tech support
Hi, Some of my users can’t see the yahoo’s mail site!!! When they click MAIL or type the yahoo mail page address in address bar it says: The page can’t be found!!! Ofcourse I heard of other people that try this from their home and they have problem too!!!??? Could you please help me!!!??? THank [...]
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| December 11, 2009 6:16 AM
Availability, DataCenter, Exchange, Microsoft Windows, Network protocols, Networking, Tech support
Sync windows time – Domain
I am curious on how to sync all my workstations to me domain controller. I have read multiple sync-related articles on the net and I am becoming confused. I edited the registry on the DC in order to make it sync with some navy time clock instead of the windows time server. I then created [...]
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| October 5, 2006 2:10 PM
DataCenter, Desktops, DHCP, DNS, Management, Microsoft Windows, Network protocols, Networking, Networking services, OS, Security, Servers, SQL Server, Tech support
I am curious on how to sync all my workstations to me domain controller. I have read multiple sync-related articles on the net and I am becoming confused. I edited the registry on the DC in order to make it sync with some navy time clock instead of the windows time server. I then created [...]
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| October 5, 2006 2:10 PM
DataCenter, Desktops, DHCP, DNS, Management, Microsoft Windows, Network protocols, Networking, Networking services, OS, Security, Servers, SQL Server, Tech support
Server Room setup
I have 152 computers in a 4 story building, how many servers would i need.
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| September 16, 2006 1:28 AM
Cabling, DHCP, DNS, Hardware, Hubs, Network protocols, Networking, Networking services, Routers, Servers, Switches
I have 152 computers in a 4 story building, how many servers would i need.
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| September 16, 2006 1:28 AM
Cabling, DHCP, DNS, Hardware, Hubs, Network protocols, Networking, Networking services, Routers, Servers, Switches
How can I find out when the users log on and log out ………….
Hi, I have a win server 2003 domain and all of my clients’s OS is win xp sp2,I wana know when the users log on to domain and when log out from the domain every day. Could you please help me? Thank you. — Regards Mahnaz
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| September 14, 2006 2:59 AM
Active Directory, DNS, Microsoft Windows, Network protocols, Networking
Hi, I have a win server 2003 domain and all of my clients’s OS is win xp sp2,I wana know when the users log on to domain and when log out from the domain every day. Could you please help me? Thank you. — Regards Mahnaz
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| September 14, 2006 2:59 AM
Active Directory, DNS, Microsoft Windows, Network protocols, Networking
802.11 vs 802.16
I have a small co. with a point to point wireless grid. I handle off site monitoring of gas nad oil flow. I have been overlaping my grid with new locations, and more to come. So I have been looking into new wireless Sys. I have made the choice to use All-In-One?360 Multi-Band/Multi-Mode Antenna WiMAX [...]
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| August 16, 2006 8:30 PM
Arrays, Availability, Bandwidth, Billing and customer care, Billing Support Systems, Budgeting, Cabling, Compliance, CRM, DataCenter, Development, DHCP, DNS, Ethernet, Frame Relay, Hardware, Hubs, Laws, Network applications management, Network management software, Network protocols, Network testing, Networking, Networking services, Outsourcing, Project management, Regulations, ROI & cost justification, Routers, Servers, standards, Storage servers, Switches, Vendors, VoIP, Web services, Web Services Standards, Wireless
I have a small co. with a point to point wireless grid. I handle off site monitoring of gas nad oil flow. I have been overlaping my grid with new locations, and more to come. So I have been looking into new wireless Sys. I have made the choice to use All-In-One?360 Multi-Band/Multi-Mode Antenna WiMAX [...]
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| August 16, 2006 8:30 PM
Arrays, Availability, Bandwidth, Billing and customer care, Billing Support Systems, Budgeting, Cabling, Compliance, CRM, DataCenter, Development, DHCP, DNS, Ethernet, Frame Relay, Hardware, Hubs, Laws, Network applications management, Network management software, Network protocols, Network testing, Networking, Networking services, Outsourcing, Project management, Regulations, ROI & cost justification, Routers, Servers, standards, Storage servers, Switches, Vendors, VoIP, Web services, Web Services Standards, Wireless
Wireless Connection to Internet
Hi all, My client has a Dell laptop with inbuilt Intel wireless NIC and onboard Ethernet NIC successfully connecting to a Minitar wireless hub/access point. The AP is connected to an Alcatel Speedtouch Home ADSL modem. When connected via Ethernet he can access both local devices and browse the Internet. When connected wirelessly he can [...]
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| August 15, 2006 8:20 PM
Cabling, Hardware, Hubs, Network protocols, Networking, Routers, Switches
Hi all, My client has a Dell laptop with inbuilt Intel wireless NIC and onboard Ethernet NIC successfully connecting to a Minitar wireless hub/access point. The AP is connected to an Alcatel Speedtouch Home ADSL modem. When connected via Ethernet he can access both local devices and browse the Internet. When connected wirelessly he can [...]
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| August 15, 2006 8:20 PM
Cabling, Hardware, Hubs, Network protocols, Networking, Routers, Switches
cisco 2811 with 2 fast ethernet ports and 4 vlans-2
I need urgent help on this. I have a brand new cisco 2811 with 2 FE ports. The port f0/0 is connected to the internet and the f0/1 will be connected to the switch which has 4 vlans configured on it. I have no idea how to go about doing this. Can someone please help [...]
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| June 9, 2012 2:16 AM
Bandwidth, Cabling, Cisco, DHCP, DNS, Hardware, Hubs, IPv4, Network protocols, Networking, Networking services, Routers, Switches
I need urgent help on this. I have a brand new cisco 2811 with 2 FE ports. The port f0/0 is connected to the internet and the f0/1 will be connected to the switch which has 4 vlans configured on it. I have no idea how to go about doing this. Can someone please help [...]
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| June 9, 2012 2:16 AM
Bandwidth, Cabling, Cisco, DHCP, DNS, Hardware, Hubs, IPv4, Network protocols, Networking, Networking services, Routers, Switches
cisco 2811 with 2 fast ethernet ports and 4 vlans
I need urgent help on this. I have a brand new cisco 2811 with 2 FE ports. The port f0/0 is connected to the internet and the f0/1 will be connected to the switch which has 4 vlans configured on it. I have no idea how to go about doing this. Can someone please help [...]
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| August 6, 2006 2:12 AM
Bandwidth, Cabling, Cisco, DHCP, DNS, Hardware, Hubs, IPv4, Network protocols, Networking, Networking services, Routers, Switches
I need urgent help on this. I have a brand new cisco 2811 with 2 FE ports. The port f0/0 is connected to the internet and the f0/1 will be connected to the switch which has 4 vlans configured on it. I have no idea how to go about doing this. Can someone please help [...]
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| August 6, 2006 2:12 AM
Bandwidth, Cabling, Cisco, DHCP, DNS, Hardware, Hubs, IPv4, Network protocols, Networking, Networking services, Routers, Switches
Installation and updates
Howdy folks, Tryin to keep things going around here….need some advice. I have Win2003 servers and Active Directory…..single domain….approx. 100 client computers…..one location. Am upgrading all computers from Office XP to Office 2003. My project: Install Office 2003 and all updates remotely without going to each machine. My progress: I tried the method of creating [...]
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| April 23, 2008 9:36 PM
Access control, Active Directory, Application security, backdoors, Bandwidth, Browsers, Cabling, Cisco, Compliance, configuration, CRM, Current threats, Database, DataCenter, Desktop management applications, Desktops, Development, DHCP, Disaster Recovery, Distribution/logistics applications, DNS, Encryption, Ethernet, Exchange, filtering, Firewalls, Forensics, General Directories, Hacking, Hardware, Help Desk, Hubs, human factors, Incident response, Instant Messaging, Intrusion management, Lotus Domino, Management, Microsoft Office, Microsoft Operations Manager, Microsoft Systems Management Server, Microsoft Windows, Network applications management, Network management software, Network monitoring, Network protocols, Network security, Networking, Networking services, OS, Patch management, patching, PEN testing, Platform Security, Policies, Project management, Protocol analysis, Remote management, Risk management, Routers, Secure Coding, Security, Security Program Management, Servers, Software, Software testing, Spyware, SQL Server, SSL/TLS, Switches, Systems management software, TCP, Tech support, Trojans, Viruses, VPN, vulnerability management, Web security, Wireless, worms
Howdy folks, Tryin to keep things going around here….need some advice. I have Win2003 servers and Active Directory…..single domain….approx. 100 client computers…..one location. Am upgrading all computers from Office XP to Office 2003. My project: Install Office 2003 and all updates remotely without going to each machine. My progress: I tried the method of creating [...]
Answer Question
| April 23, 2008 9:36 PM
Access control, Active Directory, Application security, backdoors, Bandwidth, Browsers, Cabling, Cisco, Compliance, configuration, CRM, Current threats, Database, DataCenter, Desktop management applications, Desktops, Development, DHCP, Disaster Recovery, Distribution/logistics applications, DNS, Encryption, Ethernet, Exchange, filtering, Firewalls, Forensics, General Directories, Hacking, Hardware, Help Desk, Hubs, human factors, Incident response, Instant Messaging, Intrusion management, Lotus Domino, Management, Microsoft Office, Microsoft Operations Manager, Microsoft Systems Management Server, Microsoft Windows, Network applications management, Network management software, Network monitoring, Network protocols, Network security, Networking, Networking services, OS, Patch management, patching, PEN testing, Platform Security, Policies, Project management, Protocol analysis, Remote management, Risk management, Routers, Secure Coding, Security, Security Program Management, Servers, Software, Software testing, Spyware, SQL Server, SSL/TLS, Switches, Systems management software, TCP, Tech support, Trojans, Viruses, VPN, vulnerability management, Web security, Wireless, worms
Network Connection Freezes
For some reason, at random, among 20 PCs on my network, in the morning or during the day, the network connection stops responding for both intranet and internet communications. The only solution thus far is to remove the NIC from the Device Manager, reboot the PC, and let Windows XP Pro find the network card [...]
Answer Question
| September 1, 2010 11:31 AM
3Com, Access, Access control, Active Directory, Application security, Availability, Avaya, backdoors, Bandwidth, Bind, Biometrics, Browsers, Cabling, Cisco, Compliance, configuration, CRM, Current threats, Database, DataCenter, Dell, Desktops, DHCP, Digital certificates, Disaster Recovery, DNS, Encryption, Enterasys, Ethernet, Exchange, FDDI, filtering, Firewalls, Forensics, Foundry, Frame Relay, General Directories, H.323, Hacking, Hardware, Hewlett-Packard, Hubs, human factors, Identity & Access Management, Incident response, Instant Messaging, Interoperability, Intrusion management, IPv4, IPv6, Juniper Networks, LDAP, Lotus Domino, Lucent, Management, Microprocessors, Microsoft Office, Microsoft Windows, MPLS, NetBIOS, Network monitoring, Network protocols, Network security, Networking, Networking services, NFS, NIC, Nortel, Novell IPX/SPX, Novell NDS, OS, Patch management, patching, PEN testing, Performance management, Ping, Platform Security, Policies, Printers, provisioning, Risk management, Routers, Secure Coding, Security, Security Program Management, Security tokens, Servers, Single sign-on, SIP, Software, Spyware, SQL Server, SSL/TLS, Switches, TCP, Tech support, Trojans, Viruses, VPN, vulnerability management, Web security, WINS, Wireless, worms
For some reason, at random, among 20 PCs on my network, in the morning or during the day, the network connection stops responding for both intranet and internet communications. The only solution thus far is to remove the NIC from the Device Manager, reboot the PC, and let Windows XP Pro find the network card [...]
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| September 1, 2010 11:31 AM
3Com, Access, Access control, Active Directory, Application security, Availability, Avaya, backdoors, Bandwidth, Bind, Biometrics, Browsers, Cabling, Cisco, Compliance, configuration, CRM, Current threats, Database, DataCenter, Dell, Desktops, DHCP, Digital certificates, Disaster Recovery, DNS, Encryption, Enterasys, Ethernet, Exchange, FDDI, filtering, Firewalls, Forensics, Foundry, Frame Relay, General Directories, H.323, Hacking, Hardware, Hewlett-Packard, Hubs, human factors, Identity & Access Management, Incident response, Instant Messaging, Interoperability, Intrusion management, IPv4, IPv6, Juniper Networks, LDAP, Lotus Domino, Lucent, Management, Microprocessors, Microsoft Office, Microsoft Windows, MPLS, NetBIOS, Network monitoring, Network protocols, Network security, Networking, Networking services, NFS, NIC, Nortel, Novell IPX/SPX, Novell NDS, OS, Patch management, patching, PEN testing, Performance management, Ping, Platform Security, Policies, Printers, provisioning, Risk management, Routers, Secure Coding, Security, Security Program Management, Security tokens, Servers, Single sign-on, SIP, Software, Spyware, SQL Server, SSL/TLS, Switches, TCP, Tech support, Trojans, Viruses, VPN, vulnerability management, Web security, WINS, Wireless, worms
Changing servers – GUID issues with Domain Name-2
Hello all, Basically, we have an old windows 2000 small business server, which is running exchange, SQL, ISA and much more. So we are running out of space on a few of teh drives and considering that we are using RAID we cant just add a drive and repartition the C drive to get more [...]
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| July 29, 2006 3:11 PM
Active Directory, DataCenter, Desktops, DHCP, DNS, Exchange, Hardware, Management, Microsoft Windows, Network management software, Network protocols, Networking, Networking services, OS, Security, Servers, SQL Server
Hello all, Basically, we have an old windows 2000 small business server, which is running exchange, SQL, ISA and much more. So we are running out of space on a few of teh drives and considering that we are using RAID we cant just add a drive and repartition the C drive to get more [...]
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| July 29, 2006 3:11 PM
Active Directory, DataCenter, Desktops, DHCP, DNS, Exchange, Hardware, Management, Microsoft Windows, Network management software, Network protocols, Networking, Networking services, OS, Security, Servers, SQL Server
Changing servers – GUID issues with Domain Name
Hello all, Basically, we have an old windows 2000 small business server, which is running exchange, SQL, ISA and much more. So we are running out of space on a few of teh drives and considering that we are using RAID we cant just add a drive and repartition the C drive to get more [...]
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| July 25, 2006 3:08 PM
Active Directory, DataCenter, Desktops, DHCP, DNS, Exchange, Hardware, Management, Microsoft Windows, Network management software, Network protocols, Networking, Networking services, OS, Security, Servers, SQL Server
Hello all, Basically, we have an old windows 2000 small business server, which is running exchange, SQL, ISA and much more. So we are running out of space on a few of teh drives and considering that we are using RAID we cant just add a drive and repartition the C drive to get more [...]
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| July 25, 2006 3:08 PM
Active Directory, DataCenter, Desktops, DHCP, DNS, Exchange, Hardware, Management, Microsoft Windows, Network management software, Network protocols, Networking, Networking services, OS, Security, Servers, SQL Server
Change Telnet port in Linux (Debian)
Hello everybody. I’m not a Linux expert, and am looking for a way to securely communicate with a Linux machine via Telnet. To avoid sending user and pwd without encryption I’m going to open a ssh tunnel (with putty or plink) forwarding port 22 (ssh) on the linux machine to another port, in which the [...]
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| July 19, 2006 11:13 AM
Firewalls, Forensics, Incident response, Intrusion management, Linux, Network protocols, Network security, Networking, TCP, VPN, Wireless
Hello everybody. I’m not a Linux expert, and am looking for a way to securely communicate with a Linux machine via Telnet. To avoid sending user and pwd without encryption I’m going to open a ssh tunnel (with putty or plink) forwarding port 22 (ssh) on the linux machine to another port, in which the [...]
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| July 19, 2006 11:13 AM
Firewalls, Forensics, Incident response, Intrusion management, Linux, Network protocols, Network security, Networking, TCP, VPN, Wireless
VOIP
I was asked on an interview. Describehow you would approach a customer issue dealing with VOIP, I think my answer was right but I Just would like another opinion. James
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| July 10, 2006 2:31 AM
Network protocols, VoIP
I was asked on an interview. Describehow you would approach a customer issue dealing with VOIP, I think my answer was right but I Just would like another opinion. James
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| July 10, 2006 2:31 AM
Network protocols, VoIP
Group Policy-Internet Access
I use the old trick of bogus settings for the proxy server in Group Policy. I have as an example: OU1-Internet Access OU2-No Access When I move anyone from the OU2 to OU1 to allow them access, the proxy address still remains in the settings. I can manually change it back, but cannot get it [...]
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| July 3, 2006 3:20 PM
Cabling, DataCenter, Desktop management applications, Desktops, Hardware, Hubs, Management, Microsoft Office, Microsoft Windows, Network protocols, Networking, OS, Patch management, Routers, Security, Servers, SQL Server, Switches, Tech support, Web services, Web site design & management
I use the old trick of bogus settings for the proxy server in Group Policy. I have as an example: OU1-Internet Access OU2-No Access When I move anyone from the OU2 to OU1 to allow them access, the proxy address still remains in the settings. I can manually change it back, but cannot get it [...]
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| July 3, 2006 3:20 PM
Cabling, DataCenter, Desktop management applications, Desktops, Hardware, Hubs, Management, Microsoft Office, Microsoft Windows, Network protocols, Networking, OS, Patch management, Routers, Security, Servers, SQL Server, Switches, Tech support, Web services, Web site design & management
Network Manager
I am a recent hire Network Manager for a technology charter middle and high school. I am to develop and maintain a WAN connecting both sites. My job functions are as follows: 1. Administer LAN for middle and High School. 2. Develop and maintain WAN connecting all sites. 3. Purchase, install, and maintain all necessary [...]
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| June 13, 2006 3:39 PM
Cabling, Hardware, Hubs, Network applications management, Network management software, Network protocols, Networking, Routers, Switches
I am a recent hire Network Manager for a technology charter middle and high school. I am to develop and maintain a WAN connecting both sites. My job functions are as follows: 1. Administer LAN for middle and High School. 2. Develop and maintain WAN connecting all sites. 3. Purchase, install, and maintain all necessary [...]
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| June 13, 2006 3:39 PM
Cabling, Hardware, Hubs, Network applications management, Network management software, Network protocols, Networking, Routers, Switches
