Recently my team ran into the common issue where one of our servers was almost out of space on the C drive.  Fortunately the server has a D drive with 47 GB of free space, so among migrating several other programs from the C drive to the D drive, we also migrated Symantec Endpoint Protection.  Removing SEP was easy of course, just an uninstall from Add or Remove Programs and a reboot.  SEP’s client install defaults to install SEP to the C drive if you have not taken any measures to reconfigure the install from SEPM.  You can either create an interactive install exe of SEP that will give you the option to choose where to install SEP or you can create a non interactive install of SEP with predefined instructions to automatically install SEP to any other location or drive you wish.  Here is how.

1.  Log into SEPM, Navigate to Admin tab > Install Package button > Client Install Settings option > Add Client Install Settings task

2.  In the new Add Client Settings window create a Name for your new install settings and Description if you wish.  Mark whether you want your installation to be Unattended, Silent, or Interactive.  If you choose Interactive then once your install is created and you execute it, you will be given the option upon the install of where to install SEP.  In this example we will decide that you would rather use the Silent option which would not give you option during install to change the install location of SEP.

3.  Make sure to mark the “Install to a custom installation folder” option and then here you can specify the exact location and folder name you wish SEP to install all of its components into.

4.  Modify all of the remaining Client Install Settings as you wish and click OK.

5.  Now that your new Client Install Settings have been created, Navigate to Client Install Packages option > right click on the install package to the right that you wish to create (32 bit or 64 bit depending on your type of OS) > and click Export.

6.  Browse or fill in the location you want your SEP install exe file to be saved at, then under the “Pick the customized installation settings below” option select the client install settings Name you created.

7.  Modify all other settings for your install package as you wish and then click OK (your install package with your new location settings will be created). 

8.  Use your new installation where ever you need to install SEP.

Note:  With my experience moving the SEP install folder will not fully migrate all SEP files from the C drive.  SEP downloads LiveUpdate files to the All Usersapplication dataSymantec folder on C which can build up in size considerably over time.  So far I have not found a secure way of migrating these files as well but the instructions here is a good start to migrating SEP from one drive to another.