Last modified by Denisa Wernerová on 03.08.2023 12:57

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1 Turning off the tunneling IPv6 function is recommended to do e.g. for correct working of e-mail Exchange on VSB-TUO, during problems with speed of loading websites via IPv6 tunnel connections, mapping network disks etc.
3 There are several procedures for turning off the IPv6 tunneling:
5 * [[Turning off in the command line by command netsh>>||anchor="netsh"]]
6 * [[Edit the register by importing from file>>||anchor="import"]]
7 * [[Edit the register using Register Editor>>||anchor="editor"]]
8 {{id name="netsch"/}}
10 **Turning off in the command line by command netsh**
12 1. Press **WinKey+X** and from shown list choose **Command Line (administrator)**.
13 In case that your account doesn't have administrative privileges press above searched **cmd** right mouse button and choose **Run as administrator**.
14 \\[[[[image:01.png||alt="011.png"]]>>attach:01.png||rel="__blank"]]
16 1. Write following command into a command line and confirm their execution by pressing Enter:
17 ## netsh interface ipv6 set teredo disabled ##
18 ## netsh interface ipv6 6to4 set state disabled ##
19 ## netsh interface ipv6 isatap set state disabled ##
20 \\[[[[image:02.png||alt="012.png"]]>>attach:02.png||rel="__blank"]]
22 1. Verify turning off the IPv6 tunnels can be done again in the command line cmd by listing command ipconfigg:
23 Type **ipconfig **in the command line and confirm by pressing **Enter**.
24 There** shouldn't be displayed** Adapters for tunnel connection.. in the listing.
25 \\[[[[image:03.png||alt="002.png"]]>>attach:03.png||rel="__blank"]]
26 \\{{id name="import"/}}
28 (((
29 **Edit the register by importing from file**
30 )))
32 After this register edit will be turned off tunneling IPv6 functions.
35 1. Save following text (between marks ~-~-beginning .reg file~-~- and ~-~--end .reg file~-~--) to the file with suffix **.reg** .
36 1*. You can download prepared file from[[ our storage.>>]]
37 \\~-~-beginning .reg file~-~-
38 Windows Registry Editor Version 5.00
39 \\[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\TCPIP6\Parameters]
40 \\"DisabledComponents"=dword:00000001
41 ~-~--end .reg file~-~--
43 1. Click on file and agree with saving information into a register.
45 1. After edit register Windows is necessary to reboot the computer.
46 {{id name="editor"/}}
48 (((
49 **Modification of registers using Register Editor**
50 )))
52 1. Go via S**tart** and choose **Run...** and type **regedit** into the window **open** and click on **OK**
53 (Or search **regedit **in the searching field above Start and click on the searched editor.)
54 Search the key **HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\TCPIP6\Parameters**.
55 By clicking right mouse button open the menu and choose New and choose Value DWORD (32bit).
56 Rename item to **DisabledComponents** and choose it't value to **1**.
57 \\[[[[image:04.png||alt="001.png"]]>>attach:04.png||rel="__blank"]]
59 1. After edit register Windows is necessary to reboot the computer.