package deployment to remote clients fails - firewall port?

[Erich]

Hi all
I'm new here and need to ask you for some help. I created a few deployment packages. I can successfully deploy those packages to clients that are within the company network. But I can't deploy the same packages to clients that are remote and connected through VPN. 

I get the following result: 

Result: Deployment ended: This installation package could not be opened. Contact the application vendor to verify that this is a valid Windows Installer package.. Stop(Failure). Credential: (xxx\yyyy). ShareCredential: (PackageShareUser).
Command: msiexec.exe /i "\\servername\DefaultPackageShare$\Installers\IQS\IQSoftLocalFile_1.1.1_20241107.msi" /norestart /qn

I assume it must be a firewall issue but couldn't find out which port exactly needs to be open for the deployment.

I can scan the clients that are remote connected by VPN. And I can uninstall software on clients that are remote connected by VPN. Only the deployment failed.

Many thanks, Erich

[FrankSc · Accepted solution]

Hello Erich, 

I can imagine that a VPN can become an extra hurdle to deploy a package. Full requirements can be found in the article below. 

Deployment requirements - Lansweeper Community
Looking at the error, though, it seems that \\servername\DefaultPackageShare$\Installers\IQS\IQSoftLocalFile_1.1.1_20241107.msi is not accessible. 
Can you check if you can open that location outside of Lansweeper? when connected to VPN?
Check also if the credentials that are used for the DefaultPackageShare are correct and have access to the share.

[Erich]

Hi Frank,

Many thanks for your reply! You were absolutely right—the issue was a firewall rule that only allowed file share access to our file server and not to any other servers. As a result, the installation source on my Lansweeper server could not be reached.

I really appreciate your help, many thanks!