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"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
The installer fails with the error:
Unable to install Management Server The MSI terminated unexpectedly.
Unable to install Management Server
The MSI terminated unexpectedly.
Closer inspection of the MSI install log; 'Sophos_Server32msi [timestamp].log' shows that the call to ExportCompanyCertificate has failed. See the Technical Information section below for more logging.
First seen in Enterprise Console 5.1.0
The location to backup certificates chosen during the installer is not accessible to the installer at the point it attempts to write to the location.
Check that the installing user has write access to the location chosen. If you are using a remote location, maybe consider choosing a location location and move the files after the installation has completed.
The server MSI log contains the following:
About to call: ExportCompanyCertificate MSI (s) (0C!20) [11:28:50:812]: Product: Sophos Management Server -- 1: File I/O write error
Exception thrown by custom action: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> EncryptionCustomActions.SgnApiException: File I/O write error at EncryptionCustomActions.CustomAction.CallFunction(String functionName, Func`1 function, Session session, Base baseObject) at EncryptionCustomActions.CustomAction.CallFunction(Func`5 function, T1 arg1, T2 arg2, T3 arg3, T4 arg4, Session session, Base baseObject) at EncryptionCustomActions.CustomAction.InitializeDatabaseAndBackupCertificates(Session session) --- End of inner exception stack trace --- at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)
at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture, Boolean skipVisibilityChecks) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture) at Microsoft.Deployment.WindowsInstaller.CustomActionProxy.InvokeCustomAction(Int32 sessionHandle, String entryPoint, IntPtr remotingDelegatePtr) MSI (s) (0C:F4) [11:28:51:328]: User policy value 'DisableRollback' is 0 MSI (s) (0C:F4) [11:28:51:328]: Machine policy value 'DisableRollback' is 0 Action ended 11:28:51: InstallFinalize. Return value 3.
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