CrushFTP 10 is a separate install, and requires a CrushFTP 10 license code. Prior CrushFTP versions require purchasing an upgrade code to use in CrushFTP 10. http://www.crushftp.com/pricing.html. Download a fresh copy of CrushFTP 10 and extract it to a safe location. http://www.crushftp.com/download.html

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Video covering the upgrade process: https://youtu.be/k9BANsDsDZM

CrushFTP 6/7/8/9 Upgrade to CrushFTP 10:#

1.) Register your CrushFTP 10 license key within your current version at the admin>>about tab.

2.) Copy over your users folder, prefs.xml, ssh private keys, and ssl keystores files from the old version to the new version's folder (see Critical Post Update Items below).

• Do not replace your WebInterface folder, the CrushFTP 10 WebInterface folder is very different, and replacing it with the older folder would break CrushFTP 10.
  

3.) Check on Services.msc under what exact OS user is the CrushFTP service running.

4.) Run CrushFTP 6/7/8/9 and click 'Remove Daemon / Service'. Alternatively you can run CrushFTP v10 and use its button to remove the service too.

5.) Make sure you have the "Java" folder in the CrushFTP v10 folder. OpenJDK13+ is recommended. Follow the readme.txt file in the CrushFTP folder.

6.) Run CrushFTP v10.

7.) Click "Start Temporary Server". The server will now be running and ready for use as long as you keep this window open.

8.) Login using the web browser to your server using your normal 'crushadmin' user. Go to the Admin, About tab and enter in your CrushFTP 10 license code if not registered on your prior CrushFTP version, from previous steps.

9.) Go back to the GUI window, and click 'Install Daemon / Service'

10.) Go to the services.msc and set the same user as you had on your prior CrushFTP 6/7/8/9 version, to run the CrushFTP 10 service. Restart the service for the changes to apply.

11.) Update any paths in the admin, Preferences for SSH keys or SSL keystores to point to your new CrushFTP 10 folder.

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v6/v7/v8/v9 to v10 Followup items:
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Copy over your TempAccounts folder if you have been using the WebInterface 'Share...' feature.

Copy over your Previews folder so image previews don't need to be re-generated.

Copy over any custom logo images from your WebInterface folder, but do not overwrite any login.html files as CrushFTP 10 is different.

Copy over your SSL keystore if you had it in your CrushFTP folder, and update the prefs to point at the new location.

Copy over your private SSH key files for the server if they are in their default location. (ssh_host_rsa_key, ssh_host_dsa_key)

Copy over your Jobs folder if you have the enterprise version. Its in your CrushFTP folder.

10.5.2 and above changes other defaults related to loading DB drivers that are not in your classpath has also changed. This means if your DB drivers are not part of your plugins/lib folder, they will not be loaded by CrushFTP. (Statistics DB if you changed it, SQL Users if you are using that, etc.)
If you want your statistics for reporting to transfer over from v6/v7/v8/v9 to v10, then copy the statsDB folder too.

If and only if the SHA3 password hashing policy was enabled on the old version, and the users cannot log in after the upgrade, edit the main server configuration file prefs.XML locate the <sha3_keccak> key, change it's value from false to true

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Linux Upgrade:
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- download the crush package, unzip it into /var/opt

- make it executable, as root : chmod +x crushftp_init.sh

- register your CrushFTP 10 license key in your old CrushFTP WebUi

- copy over the files from the above steps for the Windows / macOS upgrade

- change dir into /var/opt/CrushFTP10/

- while as root, execute: ./crushftp_init.sh uninstall -- for all older versions daemon launch reference to be removed. (No CrushFTP app files are touched)

- while as root, execute: ./crushftp_init.sh install -- to have latest CrushFTP installed daemon launch reference added. (No CrushFTP app files are touched)

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Critical Post Update Items:
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Copy over your TempAccounts folder if you have been using the WebInterface 'Share...' feature.

Copy over your "s3" folder which has all the XML pointers to your S3Crush filesystem...only applies if you use S3Crush

Copy over your Previews folder so image previews don't need to be re-generated.

Copy over any custom logo images from your WebInterface folder, but do not overwrite any login.html files as CrushFTP 10 is different.

Copy over your SSL keystore if you had it in your CrushFTP folder, and update the prefs to point at the new location.

Copy over your Jobs folder if you have the enterprise version. Its in your CrushFTP folder.

Your daemon/service may have been running with additional memory, reconfigure the new version with the equivalent memory.

Your daemon/service may have been running as a domain user on Windows. Change the service to be running as that domain user again or UNC VFS paths will fail.

Copy over your private SSH key files for the server if they are in their default location. (ssh_host_rsa_key, ssh_host_rsa_key.pub, ssh_host_dsa_key, ssh_host_dsa_key.pub)

Optional: If you want your statistics for reporting to transfer over from v6/v7/v8/v9 to v10, then copy the statsDB folder too.