• IP address gets blacklisted using Exchange 2003

    We have a small business server running exchange 2003. My IP address is keep getting blacklisted. When I research, I come to find out that something in my network is sending out spam but I can't seem to figure out which machine is infected. I have ran several scans on all the machines but nothing...

    ITKE1,016,890 pointsBadges:
  • Ethernet Not Available

    I recently updated my windows because my c: drive quit working. I had to install windows on d: drive in order to get my computer to even work. I then updated my c: drive with windows update (I had to have windows on the computer in order to update my c: drive-c: drive was missing a system 32 file...

    Mikimichelle5 pointsBadges:
  • Simple Switch config help!

    Hi there, I have a very simple setup that I need to do on a Layer 2 Switch that has static routing. The switch has 24 ports and 16 of them will be used for the local network, and 6 of them for a DMZ. I just cant get the 6 DMZ port to work...I soon as I take them out of the default VLAN, even if the...

    Yulman5 pointsBadges:
  • Ping but not accessible from other systems

    is not accessible. You might not have permission to use this network resource. Contact the administrator of this server to find out if you have access permissions. Access is denied." That is the message I receive trying to connect to one of computers on network. File sharing servies enabled...

    Netork5 pointsBadges:
  • What do the standard numbers mean in the National Electrical Code?

    What do the standard numbers mean in regards to the National Electrical Code (NEC)?

    NetworkingATE1,545 pointsBadges:
  • Is AES the best encryption for enterprise routers

    Is AES the best encryption for enterprise routers? How many letters& alpha numberic keys need for AES password?

    Spock12035 pointsBadges:
  • CCNA Course Notes

    Does anyone have the 640-802 official CCNA course notes they wish to sell?

    Shropuk5 pointsBadges:
  • Network location cannot be reached

    I have linux shared folder which can be seen from all other PC except this one PC only. My IP and Gateway seems all be okay. This PC has a multilanguage installed (Japannesse). Trying to access network by typing \\10.217.1.29 which is my linux server. I got this error 'The Network Location cannot...

    Kesevan45 pointsBadges:
  • Extranet login page

    I have setup an corporate extranet using a basic website I made in html. I setup security so when someone accesses it, they have to use their Active Directory account to login in to the web page. It is simple. Just as it is default in IIS6, a window pops up asking for username and password. I want...

    rcraig11420 pointsBadges:
  • AS400 mapped drive locks Windows account

    I have a user that has AS400 mapped drives. When they access the drive, their Windows account gets disabled!?!? This isn't happening to anyone else. We use EIM to control access to the Netserver folders. He can access the AS400 folders just fine, but when he does, that's it for his Windows account....

    ScottWHI25 pointsBadges:
  • Error while connecting remotely

    i have two systems.. sys1 (192.168.10.25) and sys2 (192.168.10.26) while establishing remote desktop connection with sys2 from sys1 i get this message " authentication certificate received from remote computer has expired or not valid" but sys2 can connect remotely to sys1... i have enabled and...

    Anup25 pointsBadges:
  • confusion in networking

    i have MCSA 2003 and i interested in ccna & red hat certification but i am not making right decision which certification i do ,when to give me grate opportunity in IT industry and benefit my carrier i know IT filed so varied both certification is required which certification for best my.

    915 pointsBadges:
  • Replicating SAN to DR Site

    We are looking to build a warm DR site across town. How are other companies managing to duplicate their data in a reasonable time to another location? We are looking to copy around 150 GB per day. We don't need up to the minute data, up to the hour or two is acceptable.

    Mpweber20 pointsBadges:
  • Cisco 3750-E factory reset doesn’t reset buffer allocation ??

    I have a number of 'identical' 3750-E 48 port switches, running same IOS version 12.2.44. We've reset the switches to factory defaults (erase start-config; delete flash:vlan.dat; reload) and tried to allocate the max of big buffers (buffers big permanent 20480). On some of the switches this...

    Kompost5 pointsBadges:
  • career in security

    i am b.tech graduate 2008 passed out & am CCNA certified and i want to do another certification which is most useful in career PIX or FIREWALL or RHCE AM STILL SEARCHING FOR JOB please answer which is better career choice

    Vamsib410 pointsBadges:
  • Hotel-style WiFi Authentication (How do they do it?)

    My company is planning on creating an external WiFi Internet Access VLAN for non-employee (contractors & vendors) users. We have seen hotel-style Internet access configurations that allow the hotel to generate temporary credentials that they provide to guests. The hotel staff prints out a little...

    LouNaTech30 pointsBadges:
  • Wireless Security SSID Broadcast

    Hi Guys, If I opt to hide and don't broadcast my SSID, so is it necessary for me or anyone who wants to use my Wi fi network to type the SSID or he can directly connect without typing the SSID name.? Can anybody advice or help.

    Rahul Shrivastava330 pointsBadges:
  • Protocol bandwidth load

    Is there an average estimated bandwidth load to use for each of the most common protocols (HTTP/HTTPS/POP3/IMAP/FTP/H.323)when calculating the total bandwidth needed b4 contracting the carrier?

    SBV5 pointsBadges:
  • configuring two adsl2+ line on cisco router1841

    I have cisco router 1841 with one adsl2+ connected to it, i need to connect another adsl2+ line to this router for the purpose of load balancing, i am using statiic ip routing, t Could you please let me know the complete configuration to attach new adsl2+ line to this router, As i am at beginner...

    Jaggum5 pointsBadges:
  • Connect notes client to Domino server

    I am trying to connect a Notes 8.0.2 client to a domino8.0.2 server on windows XP and Vista machines. I can ping the machine IP but notes says the server is not responding. I am trying to connect via TCP/IP

    doctorpc5 pointsBadges:

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