Sophos Central Endpoint and SEC: Computers fail/hang on boot after the Microsoft Windows April 9, 2019 update. Please follow knowledge base article 133945
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When running the Sophos Central installer on a computer, a set of compatibility checks are performed to ensure the installation can continue.
In situations where these checks do not meet the required preconditions, the following error is returned:
The installation cannot continue because some preconditions were not satisfied.
An example screenshot may show:
This error is triggered as the computer does not satisfy all the preconditions for migrating to Sophos Central.
This article details the compatibility checks performed by the Sophos Central Installer and resulting actions.
Applies to the following Sophos products and versions Sophos Cloud Managed Endpoint
Note: This installer is only used by the Sophos Central migration tool - to move from the on premises Sophos Enterprise Console (SEC) to Sophos Central. All downloads of the installer from within Sophos Central use a different and newer version and the information below does not apply to it. Unless you are troubleshooting issues with SEC migrations, please see Sophos Central Endpoint: Installer precheck messages.
For information and advice on how to proceed, select the error being returned:
This is something an administrator has set up to facilitate messaging. See information on message relays in knowledgebase article 14635.
As this is a critical element of the on-premise infrastructure it is currently unsupported for migration to Sophos Cloud.
Uninstall Sophos Anti-Virus and then run the installer again. To uninstall:
Note: Stopping the 'Sophos AutoUpdate Service' prevents an update from occurring during the uninstall. If the service is not stopped and the uninstall of Sophos Anti-Virus is delayed for a period longer than the update schedule, then Sophos Anti-Virus could be re-installed.
Check whether the 'Temp' directory location is present on the disk or the System Environment Variables ‘TEMP’ and/or ‘TMP’ are not blank or not present. To check the Variables (the headings may differ slightly depending on the OS):
Both options are detailed in article 121751.
We recommend that at least 1GB is available on the system drive. Free up space and run the installer again.
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