Vista Slow Issues Solution

[Joseph]

Hello,

I am not sure that anyone realizes this but Vista disables cache write and performance on default install. You cannot enable it the way you did in XP. Here is how you enable caching in Vista.

1. Open Device Manager
2. Find your hard disks
3. Right click on your disk
4. Select properties
5. Select policies tab and then you can enable it.

Hello Bob, Joe- thanks for the forum. Sorry I took so long to find it

[blin]

Hi Joe,

Thank you for the tip.

[Joseph]

Anytime Bob

Joe

[chicagotech]

Does performance improve when copying files via the command line as opposed
to Windows Explorer interface? File copies via the command line use the SMB
protocol and the redirector component while file copies through the GUI use
the redirector and the shell components.

If the file copy is also slow from the command line, please take the
following steps to do the troubleshooting:

Step 1: Check the Network Adapter
==================================================
1. Update the Network Adapter to the latest driver from the manufacturer.
NOTE: Although this is a simple step, this has fixed a large number of slow
file copy cases.
2. Go to Device Manager -> Right click on the Network Adapter -> Properties
-> Advanced, please temporarily disable TCP and IP checksum offloading.
This will cause this processing to be handled by Windows TCPIP stack
instead of the Network card.
3. Set the Network Card and Switch from Autodetect to a hard coded link
speed such as 100mb/half duplex.

Step 2: Add the CopyFileBufferedSynchronousIo registry entry
==============================================
1. Click Start, type regedit in the Start Search box, and then press
ENTER.
2. Locate and then click the following registry subkey:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System

3. On the Edit menu, point to New, and then click DWORD Value.
4. Type CopyFileBufferedSynchronousIo to name the new entry, and then
press ENTER.
5. Right-click CopyFileBufferedSynchronousIo, and then click Modify.
6. In the Value data box, type 1 , and then click OK.
7. Exit Registry Editor

Step 3: Adjust the MTU settings for VPN connection:
==============================================
a. On Vista notebook, please try to ping the File Server (laptop) site with
the following command:

ping 192.168.0.7 -f -l 1472 (replace 192.168.0.7 with the IP of the File
server laptop)

Will you receive the following response?

Reply from 192.168.0.7: bytes=1472 time=74ms TTL=58

b. If you receive a negative response, please try to ping with reduced
packet size of 10 (1462), will the ping work?
c. Repeat step b using a smaller MTU size. Repeat this process to check if
the ping command will succeed.

[guest]

My Vista laptop MTU has setup as low as 1300, but still receive "Packet needs to be fragmented but DF set" message. How do you fix it?

ping server -f -l 1300

Pinging server.chicagotech.net [10.0.0.19] with 1300 bytes of data:
Packet needs to be fragmented but DF set.
Packet needs to be fragmented but DF set.
Packet needs to be fragmented but DF set.
Packet needs to be fragmented but DF set.

Ping statistics for 10.0.0.19:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

[chicagotech]

I have suffered the same problem and tried everything listed on the web
with no success. I then discovered that I could fix this problem by
changing the connection speed of my network card from fixed 100Mbps full
duplex to auto it sill connects at 100Mbps but the network transfer rate
has gone from 130KB/s to 8MB/s in short a file that took 20 minutes to
transfer now takes 17 seconds.