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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Customers may find that certain actions fail relating to access to the SMB shares on the Security VM on machines that have modified network security settings. These may exhibit in the following ways
GetSVMCertificate: TLS certificate verification for SVM at address: xx.xx.xx.xx:48652. Error: -2146762487
These issues will occur on machines where the LAN Manager Authentication level security setting has been modified from the default setting.
This knowledge base article describes how to set the correct security setting to allow access to the shares on the Security VM.
Applies to the following Sophos products and versions Sophos For Virtual Environments
To resolve this issue, please either set the below security policy setting via the Local Security Policy or Group Policy:
Note. You may need to reboot the machine or force the policy to refresh before these security settings apply and access is restored.
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