The computer produces an error stating "Low Disk Space" after installing Symantec Endpoint Protection Manager (SEPM) or Symantec Endpoint Protection (SEP).
Low Disk Space
You are running very low on disk space on Local Disk (C:). To free space on this drive by deleting old or unnecessary files, click here...
There are multiple causes for this issue. This article is not intended as an all-encompassing guide to every possible cause of disk space issues related to SEP or SEPM installations. However, it covers some of the most common causes and solutions.
Before you troubleshoot the issue, it is important to know which drive is running low on disk space and which folder is using the highest amount of disk space on the drive. There are a variety of free third-party utilities to aid in the investigation of which specific folders and files are using the most disk space on a given drive.
Once you know the status (i.e. disk space available) for the system, you can begin to troubleshoot.
There are different courses of action depending on whether the SEP client or the SEPM is the source of the excessive disk usage.
According to the system requirements, the 12.1.6 client for Windows requires approximately 1 GB of available hard drive space. Contents and logs requires additional space. See Release Notes and System Requirements for all versions of Endpoint Protection for other versions' requirements.
The LiveUpdate component is always installed on the C: drive, regardless of any custom installation path selected for the SEP client.
Check to make sure enough disk space is available. If the SEP client uses large amount of disk space, these steps can help to reduce the amount of space consumed by a SEP client.
I. Stopping the Symantec client service
II. Deleting the files
Perform these steps using Command Prompt (cmd.exe), as deleting the files through Windows Explorer may result in delays and application hangs. These instructions direct you to delete the files in the targeted folders, not the folders themselves. Do not delete the enclosing folders themselves.
NOTE: As a precaution, you should back up the system before you delete the files in case you experience problems resulting from this procedure.
III. Deleting and recreating the Quarantine folder
If there are too many items in Quarantine, you may be unable to delete the quarantined items through the SEP client interface. Perform these steps using Command Prompt (cmd.exe), as attempting to open the Quarantine folder, or deleting the files through Windows Explorer, may result in delays and application hangs. This issue can occur due to the large amount of files that can reside there.
IV. Starting the Symantec service
The most typical cause can occur when you do not disable debug mode of the SEPM after troubleshooting an issue. Debug mode collects a large amount of data and can lead to log files becoming very large, including catalina.out, which can grow larger than 1 GB or more in size.
You can remedy this situation as follows:
Another common cause of this issue is retaining a large amount of definition content, which can lead to folder growth under SEPM Installation Folder\Inetpub\Content. To adjust the amount of content retained by the SEPM:
See Disk Space Management procedures for the Symantec Endpoint Protection Manager for additional information on managing the number of content revisions retained by SEPM.
See Related Articles for more information on how to configure the SEP client and SEPM to overcome low disk space issues.
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