Can LF 9.1 client be installed using Group Policy?
Attached is our unattended install script that we use with Group Policy. Just change the extension to .bat.
Yes. We have a Policy that runs an unattended install script at startup to install Laserfiche. The script looks for a text file named Client9.1.0.409.txt in the following location C:\Program Files (x86)\Laserfiche\Client. If it doesn't exist it runs the unattended install. If it does exist, it exits. We wrote the condition in the script because the Startup scripts run every time the computer is started. When the script runs, it performs the install and creates a text file in the location specified above. We also added (after the first run) to delete the old txt file so we didn't end up with a bunch of them. I would be happy to share the file if you would like.
You should be able to install the Laserfiche Client via windows Group Policy. You can use Laserfiche .msi files to deploy on multiply machines by using the Group policy. The downside to this is you will have to do this for the various Laserfiche Client Suite components (Client, Scanning, Snapshot (32 or 64-bit, etc).
An alternative would be to create a script file for the Laserfiche Client installation and assign it to the group policy.
http://www.laserfiche.com/support/webhelp/Laserfiche/8.2/en-US/AdminGuide/LFAdmin8_Left.htm#CSHID=Installation%2FFormatting.htm|StartTopic=Content%2FInstallation%2FFormatting.htm|SkinName=WebAudit
Basically what's already been said above, although I'd recommend using a newer version of the installation guide, assuming that's relevant for your version of course. http://www.laserfiche.com/support/webhelp/Laserfiche/9.0/en-US/AdminGuide/LFAdmin.htm#Installation/Formatting.htm%3FTocPath%3DLaserfiche%20Installation|Unattended%20Installation|Formatting%20a%20Command-Line%20or%20Unattended%20Installation%20String|_____0 has instructions for 9.0 and http://www.laserfiche.com/support/webhelp/Laserfiche/9.1/en-US/AdminGuide/LFAdmin.htm#Installation/Formatting.htm%3FTocPath%3DLaserfiche%20Installation|Unattended%20Installation|Formatting%20a%20Command-Line%20or%20Unattended%20Installation%20String|_____0 has instructions for 9.1.
In general, that section of the administration guide is the best bet for your matching version.
Do note however that with.. 8.2 and up, I believe, you can (and should) deploy the setup.exe package. It will be much more reliable and handle elements like prereqs and additional configurations.