# Network Connection Lost - reconnecting .. (help)

**URL:** <https://forum.cardano.org/t/network-connection-lost-reconnecting-help/15589>\
**Category:** Community Technical Support\
**Created:** [1 September 2018 04:32 UTC](https://forum.cardano.org/t/network-connection-lost-reconnecting-help/15589 "2018-09-01T04:32:37Z")\
**Posts on this page:** 9\
**Page:** 1

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**Author:** ![HodlProf](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/hodlprof/32/6309_2.png) [@HodlProf](https://forum.cardano.org/u/HodlProf)\
**Post date:** [1 September 2018 04:32 UTC](https://forum.cardano.org/t/network-connection-lost-reconnecting-help/15589/1 "2018-09-01T04:32:37Z")

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It’s not connected even after an hour … do anybody has solution to this one? I dont want to delete the data (%appdata%) … i will have to syn it from 0% … i have already synced more than 70%… I want to resume it from there only… Thanks…

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**Author:** ![RobJF](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/robjf/32/8069_2.png) [@RobJF](https://forum.cardano.org/u/RobJF)\
**Post date:** [1 September 2018 05:11 UTC](https://forum.cardano.org/t/network-connection-lost-reconnecting-help/15589/2 "2018-09-01T05:11:03Z")

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At this stage I would say keep trying. Restart the computer and Daedalus, try a few times over a day or two, people have found it suddenly starts working after a while.

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**Author:** ![Andy\_Hendrikx](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/andy_hendrikx/32/88938_2.png) [@Andy\_Hendrikx](https://forum.cardano.org/u/Andy_Hendrikx)\
**Post date:** [1 September 2018 06:33 UTC](https://forum.cardano.org/t/network-connection-lost-reconnecting-help/15589/3 "2018-09-01T06:33:30Z")

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@HodlProf,

Please refer to page 8 and 9 with this FAQ: [https://daedaluswallet.io/assets/Daedalus-FAQ.pdf](https://daedaluswallet.io/assets/Daedalus-FAQ.pdf)

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**Author:** ![hayamoto\_jr](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/hayamoto_jr/32/5877_2.png) [@hayamoto\_jr](https://forum.cardano.org/u/hayamoto_jr)\
**Post date:** [1 September 2018 15:56 UTC](https://forum.cardano.org/t/network-connection-lost-reconnecting-help/15589/4 "2018-09-01T15:56:12Z")

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Check if you’re affected by the pinning to taskbar issue: [IOHK Statement: Daedalus pinning to Windows taskbar issue](https://forum.cardano.org/t/iohk-statement-daedalus-pinning-to-windows-taskbar-issue/15339)

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**Author:** ![HodlProf](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/hodlprof/32/6309_2.png) [@HodlProf](https://forum.cardano.org/u/HodlProf)\
**Post date:** [2 September 2018 06:41 UTC](https://forum.cardano.org/t/network-connection-lost-reconnecting-help/15589/5 "2018-09-02T06:41:00Z")

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![Capture](https://us1.discourse-cdn.com/flex023/uploads/cardano/original/2X/7/7106ecfd88d55e957a8f71367d4375f1b04bc5f7.gif) AFTER SYNCING AND SETTING UP THE WALLET … I SEND SOME FUNDS AND WHEN I TRIED IN A WHILE TO RESTART , THIS IS HAPPENING… WTH IS THIS ?? SO IRRITATING

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**Author:** ![pstevens1970](https://avatars.discourse-cdn.com/v4/letter/p/fbc32d/32.png) [@pstevens1970](https://forum.cardano.org/u/pstevens1970)\
**Post date:** [2 September 2018 07:06 UTC](https://forum.cardano.org/t/network-connection-lost-reconnecting-help/15589/6 "2018-09-02T07:06:51Z")

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Try restarting your computer once or twice…it has worked for me.

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**Author:** ![HodlProf](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/hodlprof/32/6309_2.png) [@HodlProf](https://forum.cardano.org/u/HodlProf)\
**Post date:** [2 September 2018 11:56 UTC](https://forum.cardano.org/t/network-connection-lost-reconnecting-help/15589/7 "2018-09-02T11:56:05Z")

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Not working

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<div class="post-metadata">

**Author:** ![HodlProf](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/hodlprof/32/6309_2.png) [@HodlProf](https://forum.cardano.org/u/HodlProf)\
**Post date:** [2 September 2018 11:57 UTC](https://forum.cardano.org/t/network-connection-lost-reconnecting-help/15589/8 "2018-09-02T11:57:37Z")

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Cardano is a top class… but many people arent gonna buy ADA only because of the issue of Daedalus…

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**Author:** ![Bullish](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/bullish/32/6735_2.png) [@Bullish](https://forum.cardano.org/u/Bullish)\
**Post date:** [2 September 2018 21:16 UTC](https://forum.cardano.org/t/network-connection-lost-reconnecting-help/15589/9 "2018-09-02T21:16:35Z")

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Daedalus requires certain ports to be open in order to function properly. Perhaps your firewall is blocking some/one of them.

Afaik these ports are:  
TCP 3000  
TCP 8090  
TCP 43689  
UDP 43  
UDP 53  
UDP 123  
UDP 8090  
UDP 43689

Source:

> [@List of port numbers for all Daedalus processes?](https://forum.cardano.org/t/list-of-port-numbers-for-all-daedalus-processes/11529):
>
> Hi, Does any one have a complete list of port numbers used by Daedalus? Including all the cardano-node ports and the FrontEnd ports? Thanks, Rick Edit: Here are the ports I have so far… TCP 3000 TCP 8090 TCP 43689 UDP 43 UDP 53 UDP 123 UDP 8090 UDP 43689 what am I missing?

You can check what ports are open and what applications are using them on windows 10 by typing this command in windows command prompt.

`netstat -a -b`

You can open up specific ports in windows 10

**Open firewall ports in Windows 10**  
You can manually permit a program to access the internet by opening a firewall port. You will need to know what port it uses and the protocol to make this work.

1. Navigate to Control Panel, System and Security and Windows Firewall.
2. Select Advanced settings and highlight Inbound Rules in the left pane.
3. Right click Inbound Rules and select New Rule.
4. Add the port you need to open and click Next.
5. Add the protocol (TCP or UDP) and the port number into the next window and click Next.
6. Select Allow the connection in the next window and hit Next.
7. Select the network type as you see fit and click Next.
8. Name the rule something meaningful and click Finish.

Hopefully this solves your problem, if not you have ruled out one cause of the connecting to network issue.

If you ruled out that it’s not your firewall settings, try a VPN. There have been a couple of rare cases where ISP’s block connections to daedalus.

Best of luck, and fingers crossed.
