3CX Version 18: Important Update for License Activation

MichaelB_3CX

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Update for Version 18 users to extend license validity while planning your move to V20.​

As discussed in our previous update before Christmas, a new update for 3CX Version 18, will be released next week. This update is necessary for extending your license activation until September 2025.

Key Details

  • Purpose of the Up
...
Continue reading the Original Blog Post.
 
I have a question 3cx from my side has a version



18.0.9.31



appeared to me in the admin that there was a new update to ver



( 18.0.9.35 )







First, I want to know whether this definition is safe, so I can install it directly Secondly,





what if I do not update the version and make it the current version? Will any services be affected?
 
I have a question 3cx from my side has a version



18.0.9.31



appeared to me in the admin that there was a new update to ver



( 18.0.9.35 )







First, I want to know whether this definition is safe, so I can install it directly Secondly,





what if I do not update the version and make it the current version? Will any services be affected?
Your question is answer by the blog post, this new version is to maintain 3CX activation server for licence renew if you are still in V18 until september 2025.

1737968384714.png
 
I did not download this before my license was renewed 1/29. Now I am caught in a catch 22 where I cannot activate because I don;t have the patch and I can't download the patch because my license is expired. How do I get the update?
 
Sounds sticky.
Can you download the latest installer, take a full backup including license, reinstall and restore?
 
Sounds sticky.
Can you download the latest installer, take a full backup including license, reinstall and restore?
Probably, but I wanted to see if there was a way I could get the update first so I didn't have to go through the hassle. Kind of sucks there was only one week notice before it bonked my system.
 
You can update via SSH
 
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Hi,

What are the command to do this do you know?
try this:

Code:
apt update
apt upgrade -y

It should bring the v18 to the latest update.
 
Theorically it should be sufficient apt-get update && apt-get upgrade 3cxpbx
 
Theorically it should be sufficient apt-get update && apt-get upgrade 3cxpbx
Hi, sorry it's a Windows 3CX Install is there an equivalent command that can be run to apply the update?
 
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Thanks for your help everyone, so it looks like the only way to get this updated is to uninstall / reinstall the latest Windows installer and restore from there ? I'm assuming there's no equivalent commands like on a Linux distro to sideload or perform the updates ?
 
The joys of Windows!
 
Hi,

I have installed version 18.0.9.31 and question is where can I get this version. On the customer portal under download there is version 18.0.9.31 and not build 35 https://downloads-global.3cx.com/downloads/3CXPhoneSystem18.exe
In my case auto update is not working and I need to first dome backup and than install with restore from backup.
Can someone share link for download.



Posnetek zaslona 2025-02-18 135150.png

Thank you
 
Last edited:
Is manual update working? (Why?)

Sometimes minor patches don’t have a full installer released, I think.
 
It is clearly mentined that there will not be a separate installer file for this.

1739887571271.png
 
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It is clearly mentined that there will not be a separate installer file for this.

View attachment 46557

Hi Nicholas
For a bigger broadcast station, we have a project (and an offer out) where we will need to create an extra V18 as a Backup server before we can update the existing 3CX server to v20 during the summer; they cannot have downtime on the existing server, which is a bigger server. The existing running server is on v18 u9 b35. We do have a v18 license ready to use when the project is finally approved, however, this might be after 24 February.

3 Questions.
Will we be able to install the v18 u9 b31 key after 24 February?
Will we be able to update this v18 u9 b31 to b35 after 24 February?
Will we be able to use the Backup from the existing v18 u9 b35 to complete our installation of the new extra server?

Thank you in advance.
 
Hi Nicholas
For a bigger broadcast station, we have a project (and an offer out) where we will need to create an extra V18 as a Backup server before we can update the existing 3CX server to v20 during the summer; they cannot have downtime on the existing server, which is a bigger server. The existing running server is on v18 u9 b35. We do have a v18 license ready to use when the project is finally approved, however, this might be after 24 February.

3 Questions.
Will we be able to install the v18 u9 b31 key after 24 February?
Will we be able to update this v18 u9 b31 to b35 after 24 February?
Will we be able to use the Backup from the existing v18 u9 b35 to complete our installation of the new extra server?

Thank you in advance.
The purpose of this update is to provide activation after the 24th. Without the patch in place you wont be able to activate V18U9A (build 31)
 
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