Download Vista tcpip.sys and UAC Auto Patcher to Increase TCP Connection Limit
Windows Vista TCP/IP (tcpip.sys) and UAC Auto Patcher is a simple batch command script that automatically replaces and overwrites original tcpip.sys in \Windows\System32\Drivers\ folder with a patched tcpip.sys version (included) that has been modified and cracked to unlock and remove the limit imposed on concurrent half open TCP/IP connection attempts that Vista can launch at any one time. Patching the tcpip.sys to remove the restriction potentially yields benefits or solves problems as below.
- Event ID 4226 in Event Viewer that describes TCP/IP has reached the security limit imposed on the number of concurrent TCP connect attempts (more info).
- Slow browsing speed such as web page unable to load or refresh when using P2P applications such as BitTorrent (BT) clients and eD2K eMule client.
- Improve torrent speed and fix slow or even not moving downloading and uploading speed when using P2P programs. (see how to optimize torrent speed in Vista)
Prerequisite to Use Vista tcpip.sys and UAC Auto Patcher
Microsoft has released plenty of versions of tcpip.sys, thus each different versions of Windows Vista TCP/IP and UAC Auto Patcher will work only on certain version of Windows Vista, depending on the variant of tcpip.sys installed. To check the version of tcpip.sys, navigate to \Windows\System32\drivers folder, right click on tcpip.sys and select “Properties”, and the version info will be listed in “Details” pane.
Features of Vista tcpip.sys and UAC Auto Patcher
- Automatically copy and replace tcpip.sys with patched version that unlock TCP/IP connection limit.
- Set the maximum concurrent half-open TCP connection attempts to 50,000.
- Disable User Account Control (UAC).
- Disable Vista TCP Auto Tuning feature to minimize possible networking problems.
Download Vista tcpip.sys and UAC Auto Patcher
Vista tcpip.sys and UAC Auto Patcher v1.6: VistaTcpipUacPatch1.6.rar (mirror)
For Vista RTM with tcpip.sys version 6.0.6000.16386. (Support x86/32-bit and x64/64-bit editions)
Vista tcpip.sys and UAC Auto Patcher v1.9: VistaTcpipUacPatch1.9.rar (mirror)
For Vista RTM with tcpip.sys version 6.0.6000.16567, applicable after installing KB941644. (Support x86/32-bit and x64/64-bit editions).
Vista tcpip.sys and UAC Auto Patcher v1.9b: VistaTcpipUacPatch1.9b.rar (mirror)
For Vista RTM with tcpip.sys version 6.0.6000.20689, applicable after installing KB941644. (Support x86/32-bit and x64/64-bit editions).
Vista tcpip.sys and UAC Auto Patcher v1.9c: VistaTcpipUacPatch1.9c.rar (mirror)
For Vista RTM with tcpip.sys version 6.0.6000.16627, applicable after installing KB946456. (Support x86 or 32-bit edition only)
Vista tcpip.sys and UAC Auto Patcher v1.9d: VistaTcpipUacPatch1.9d.rar (mirror)
For Vista RTM with tcpip.sys version 6.0.6000.20752, applicable after installing KB946456. (Support x86 or 32-bit edition only)
Vista tcpip.sys and UAC Auto Patcher v2.0: VistaTcpipUacPatch2.0.rar (mirror)
For Vista SP1 with tcpip.sys version 6.0.60001.18000 (Support x86 or 32-bit edition only)
User has problem applying or EventID 4226 still appearing can try to use Windows Vista SP1 64-bit (x64) tcpip.sys version 6001.18000 Auto Patcher.
Vista tcpip.sys and UAC Auto Patcher v2.1a: VistaTcpipUacPatch2.1a.rar (mirror or mirror 2)
For Vista SP1 with tcpip.sys version 6.0.60001.18000 (Support both x64 and x86 Windows Vista SP1 – run InstallPatch32.bat or InstallPatch64.bat accordingly.)
Vista tcpip.sys and UAC Auto Patcher v2.2: VistaTcpipUacPatch2.2.rar (mirror 1 or mirror 2)
For Windows Vista SP1 with tcpip.sys version 6.0.60001.18063 or 6.0.6001.22167 (Support both x64 and x86 Windows Vista SP1 – check the version of system tcpip.sys located in \Windows\System32\drivers folder, and run Install32-18063.bat or Install32-22167.bat for 32-bit Vista or Install64-18063.bat or Install64-22167.bat accordingly.)
Vista tcpip.sys and UAC Auto Patcher v2.2a (TEST version): VistaTcpipUacPatch2.2.rar
TEST ONLY. Try only if version 2.2 doesn’t work for 64-bit. For those who trying, please post in comment if this version works. For Windows Vista SP1 with tcpip.sys version 6.0.60001.18063 or 6.0.6001.22167 (Support both x64 and x86 Windows Vista SP1 – check the version of system tcpip.sys located in \Windows\System32\drivers folder, and run Install32-18063.bat or Install32-22167.bat for 32-bit Vista or Install64-18063.bat or Install64-22167.bat accordingly.)
Usage Guide / Installation
Unpack and extract the content of the archive, and then run InstallPatch32.bat (for x86 system) or InstallPatch64.bat (for x64 system). Administrator rights elevation required.
IMPORTANT for 64-bit (x64) Windows Vista (RTM and SP1) and 32-bit (x86) Windows Vista SP1:
Windows Vista now require all kernel-mode driver or software to be signed with digital signature in 64-bit Vista, and all boot-start drivers must be embedded-sign with signature on both x86 and x64 versions of Windows Vista. Unfortunately, tcpip.sys is both kernel mode driver, and also boot start driver, and modify tcpip.sys will break the existing signature, making the patched tcpip.sys unsigned.
So when using patched tcpip.sys, users must press F8 at every Windows boot load. When come to Vista Advanced Boot Options menu, select “Disable Driver Signature Enforcement” to bypass driver signing check and continue loading Windows Vista, else there may be boot-failure. The process can be automated with ReadyDriverPlus.
Uninstallation
Run UndoPatch.bat to restore original tcpip.sys (provided you don’t delete the backup tcpip.sys.original), uninstall and remove concurrent half-open TCP/IP connection limit setting in the registry, revert TCP/IP autotuning level to normal, and re-enable UAC.
FAQ and Troubleshooting
- How to change the connection limit to other value?
Users can change the limit to any value by navigating to the following registry key using Registry Editor:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\]
Locate “TcpNumConnections” registry value and change its value data to number you want.
- I don’t want to disable UAC, how to re-enable UAC?
Run “Enable_UAC_Prompt.reg”, if you no longer want to patch tcpip.sys, run “UndoPatch.bat”. It’s also possible to use tool such as TweakUAC.
- After installing patched tcpip.sys, the following problem exists on system boots up whenever restarts:
Windows Failed to Start. a recent hardware or software change might be the cause. To fix the problem:
1. Insert your Windows installation CD & restart.
2. Choose Language.
3. Click “Repair…”File: \Windows\System32\drivers\tcpip.sys
Status: 0xc0000428
Info: Windows cannot verify the digital signature for this file.Long answer makes short is press “Enter”, or pressing F8 while system starts up, which will display Vista Advanced Boot Options startup menu. Then select to “Disable Driver Signature Enforcement”. See explanation above on usage instruction,
and there is no workaround to this annoyance yetor use ReadyDriver Plus to permanently automate disabling of driver signature enforcement. Else, try out CrackTcpip.sys driver based limit bypass, or make use of fully automated Half-Open Limit Fix which makes used of test cert. - Can I manually install the patched tcpip.sys manually?
Yes. Checkout the manual installation guide.
Flip to next page for changelog history.
Pages: 1 2
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Entries (RSS)
October 23rd, 2008 13:30
2.2 does not seem to work on me. I have a 32 bit computer, and version 18063.
when i run the .bat file in the package, i read “0 files copied” “access denied” and the likes. though i have administrator privileges and the only account in the computer, it says that i don’t have rights to system32 folder.
i plan on trying 2.2a, but it says that “try only if 2.2 doesn’t work on a 64bit. should i try anyway?
October 19th, 2008 22:26
[...] propriet
October 15th, 2008 02:19
[...] Vista, users have to manually replace the original tcpip.sys with patched version (using simple auto-patcher batch command script, or memory resident driver to change limit on the fly) to do the hack, until now. Windows [...]
October 13th, 2008 19:56
[...] problem again 1. Download and apply the appropriate ‘Patcher’ for ur tcpip.sys version from here: Download Vista tcpip.sys and UAC Auto Patcher to Increase TCP Connection Limit My Digital Life …reboot. 2. Open
October 12th, 2008 02:25
http://half-open.com/
October 12th, 2008 02:24
that was a grammar mistake. all the files are 6001, so you ca ninstall it
October 12th, 2008 01:49
Hello,
I wanted to try utilizing this patch to increase the number of concurrent half-open TCP connections. I was considering using Patch V2.2. However, I am reluctant because I checked my c:\Windows\System32\drivers folder and my tcpip.sys file and properties of that file and I have product version: 6.0.6001.18063. The text above and in some of the comments below apparently there is a product version: 6.0.60001.18063 and that is also what Patch V2.2 seems to be listed for. Notice the extra 0 character, mine is 6001 while others seem to be 60001. Is this normal, and should Patch V2.2 work on my 6.0.6001.18063 version or is my version different from the 6.0.60001.18063?
Thanks for any help and advice.
October 6th, 2008 08:01
[...] set to 10 or less. WinXP users can fix tcpip.sys with the Llvlord patch, and Vista users should see here. If you use uTorrent, be sure to change it in the settings there, as well. The uTorrent default is [...]
October 5th, 2008 11:33
look here
C:\Windows\System32\drivers\tcpip.sys
October 4th, 2008 16:18
Hi
I was instal Vista Ultimate x64.
Update all patches then SP1.
If a search on my disk to tcpip.sys is not in system32 folder but here:
c:\Windows\SoftwareDistribution\Download\c1f5ba82e4d7e72816a2a973baa6e2b7\amd64_microsoft-windows-tcpip_31bf3856ad364e35_6.0.6000.16627_none_bbaf54e84a9a7440\tcpip.sys
c:\Windows\SoftwareDistribution\Download\c1f5ba82e4d7e72816a2a973baa6e2b7\amd64_microsoft-windows-tcpip_31bf3856ad364e35_6.0.6000.20752_none_bc13807d63d4e92a\tcpip.sys
c:\Windows\winsxs\amd64_microsoft-windows-tcpip_31bf3856ad364e35_6.0.6000.16386_none_bb6d6f644acc0b1a\tcpip.sys
c:\Windows\winsxs\amd64_microsoft-windows-tcpip_31bf3856ad364e35_6.0.6000.16627_none_bbaf54e84a9a7440\tcpip.sys
c:\Windows\winsxs\amd64_microsoft-windows-tcpip_31bf3856ad364e35_6.0.6000.20752_none_bc13807d63d4e92a\tcpip.sys
c:\Windows\winsxs\amd64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.0.6001.18000_none_0f3cadd61ec3b22c\tcpip.sys
c:\Windows\winsxs\amd64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.0.6001.18063_none_0efecf2c1ef1a5d7\tcpip.sys
c:\Windows\winsxs\amd64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.0.6001.22167_none_0f8c6d1f380baafd\tcpip.sys
Any help?
September 21st, 2008 22:28
I have a strange problem related to ReadyDriverPlus, it worked at first, then here what happened, when the system boots, it shows two options, windows vista and readyDriver, the readydriver is set to the default selection, till here we are cool.
afterwards, the menu appears again and the two options as well, NO Advanced menu appears, which leads the keystrokes to reselect the readydriver again, and ofcourse the system doesnt boot.
does anybody encountered such a problem or know how to fix it?
September 18th, 2008 18:04
Worked like a charm
Vista 32-bit, TCP/IP file version 6.0.60001.18063, Patch V2.2
Thank you for all of your efforts.
Safe Steps i used:
1. Disabled all network connections.
2. Followed the steps described at the top for patching.
NOTE: ReadyDriverPlus is included within the patch zip file, so you dont have to download it.
September 12th, 2008 21:02
[...] http://www.mydigitallife.info/2008/02/17/download-vista-tcpipsys-and-uac-auto-patcher-to-increase-tc... [...]
September 6th, 2008 19:26
2.2a worked for me
os: vista 64 bit sp1 german
tcpip.sys: 6.0.60001.18063
had to edit the bat-file because my drivers-directory is located in c:\windows\system32-directory
thanks for the patch
September 5th, 2008 16:37
seems that i get the blue screen from time to time and a=i get an 7026 error that FVXSCSI failed to load, is there any connection?
September 2nd, 2008 13:39
So it seemed like the setup worked for me, and I was able to check the registry and see that it was set at 50,000 connections, but for some reason I am still getting the Event 4226 warnings. Does anyone have an explanation for that?
September 1st, 2008 17:16
Vista tcpip.sys and UAC Auto Patcher v2.2a (TEST version): For Windows Vista SP1 with tcpip.sys version 6.0.60001.18063 x86 works for me
August 31st, 2008 06:14
I have tired all patches none work!
full of 4226 error using utorrent /vista x64 SP1 yes – tcp/ip 18603
Using Half-open_limit_fix_2.1 work great.
Please read install carefully at your own risk.
Its now version 2.3
link here http://half-open.com/
hope this help.
August 30th, 2008 22:46
Doesnt seem to work. I get the following errors. I test with utorrent and setting half open connections to 150 for test. Doesnt work at all.
Confirm to apply? (Press Ctrl-C and answer Y to terminate)
Press any key to continue . . .
ERROR: Error opening the file. There may be a disk or file system error.
ERROR: The system cannot find the path specified.
The system cannot find the path specified.
Successfully processed 0 files; Failed processing 1 files
Ok.
The system cannot find the path specified.
Original tcpip.sys driver has been renamed to “tcpip.original” in its original f
older.
The system cannot find the file specified.
ERROR: Error opening the file. There may be a disk or file system error.
*** Patch installation is complete. Press any key to install ReadyDriver Plus…
August 28th, 2008 09:32
k got it iwas putting in hexidecimal values oops
August 28th, 2008 05:42
k patch 2.2 works with vista ultimate sp1 . but i have question . i can only set it to 50 connections how do i set it higher to say 100
August 25th, 2008 22:50
2.2a has some references to %systemroot%\sysnative which fail on my 64bit system… i changed those up… also i notice the older batch files update stuff in winsxs, and winsxs backups, wouldnt it be ideal to have the batch replace 18000, 18063, etc, in the active system folder, and the winsxs, and the winsxs backup folders, with the various corresponding tcpip.sys patches or is that not necessary?
August 23rd, 2008 23:42
Hi,
I’m trying the 18063 patch, I’ve used both 2.2 and 2.2a, but they aren’t working for me as it says “elevation required”.
Unfortunately I have home edition and can’t seem to elevate all my cmd processes.
August 20th, 2008 06:18
I already tried it, but it doesn’t work, only the paths were changed in the 2.2a patch
August 19th, 2008 22:32
Sheshy, try version 2.2a and let us know if it works.