Enterprise computing is tough – Here’s some tips

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Originally posted on TCAT Shelbyville – Technical Blog:
Here’s a few tips we use when optimizing and troubleshooting computers and mobile devices on our network.   Remember Windows 8 is a different operating system and Windows Surface tablets can be…

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WinMTR enhances Tracert

Originally posted on TCAT Shelbyville - Technical Blog:

Want a quick and fast way to check if you have lost packets to a destination address?  WinMTR (direct download) offers a visual way to see where packets are lost and offers an export to html or to text.

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How to flush the DNS cache on Mac, Linux or Windows

Originally posted on TCAT Shelbyville - Technical Blog:

If websites are not appearing correctly, connections time out or if you cannot find a computer on a network, you may need to flush the DNS cache.  Here’s how to do it-

Microsoft Windows

– Go to a command prompt as an administrator
– Type ipconfig /flushdns

Linux

– Go to the terminal
-Type /etc/rc.d/init.d/nscd

Mac OS X Mountain Lion or Lion:-

– Go to the terminal
_ Type sudo killall -HUP mDNSResponder

Mac OS x

– Go to the terminal
– Type sudo dscacheutil -flushcache

iPad

Reboot it to flush the cache or turn Airplane Mode on and off.

Ultimately resetting the network settings on the iPad will flush the DNS cache.
To reset the Network Settings-

  • Tap the Settings icon
  • Tap General
  • At the bottom of the column tap Reset
  • Choose Reset Network Settings

iPhones and Androids can be repbooted (powered down) to flush the DNS cashe

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Error when running NetSH command to fix Winsock

Originally posted on TCAT Shelbyville - Technical Blog:

Restart the computer.
Press F8 during the startup prior to the logo splash scrren.
Select Directory Services Restore Mode, and press ENTER.
Click Start, and click Run.
In the Open box, type regedit, and then click OK.
Locate the following registry subkeys:
HKEY_LOCAL_MACHINESystemCurrentControlSetServicesWinsock
HKEY_LOCAL_MACHINESystemCurrentControlSetServicesWinsock2
Right-click each key, and then click Delete.
Click Yes to confirm the deletion of each key.
Close Regedit.
Locate the Nettcpip.inf file in %winroot%inf, and then open the file in Notepad or another text editor.
Locate the [MS_TCPIP.PrimaryInstall] section.
Edit the Characteristics = 0xa0 entry and replace with 0x80.
Save the file, and exit your program
In Control Panel, double-click Network Connections, right-click Local Area Connection, and then select Properties.
On the General tab, click Install, select Protocol, and click Add.
In the Select Network Protocols window, click Have Disk.
In the Copy manufacturer’s files from: text box, type c:windowsinf, and then click OK.
Select Internet…

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Is your hard drive dirty? Is NTFS Self-healing on? Why use chkdsk?

If you want to find out if your hard drive is dirty, simply open a command prompt and type fsutil dirty query c:

1 Dirty

You can also run ntfschk –

Dirty Two

You can now check to make sure NTFS self-healing is on.  It should be by default.
Open a command prompt and type fsutil repair query c:

1 - query

If your drive is old and you suspect it is going bad, you can type –

fsutil behavior set BugcheckOnCorrupt 1

You can manually turn on NTFS self-healing by typing –

fsutil repair set c: 0x01

Ultimately, you can use the chkdsk command to help repair drives.

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