For extra security against Ransomware or Malware attacks it may be desirable to ensure that backup targets on a NAS or a Windows shared folder are disconnected as soon as your backup has finished.
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| Please also see Macrium Image Guardian for more information on how the built-in functionality of MIG can help protect your backups on protected shares. |
If necessary, Macrium Reflect will automatically create a network connection whenever a backup is created on a network share. Network connections persists until the number of seconds in the Windows network session 'time-out' value is reached. This value is Windows setting and defaults to 15 minutes. Since Windows doesn't share credentials and only one user can have an authenticated network access to a share at any one time, concurrent connections are not allowed by Windows networking.
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| More information from MS on time-outs and disconnects can be found by clicking here. |
How to disconnect active shares
Run the following command in an elevated command prompt:
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net use /delete \\server\sharename |
How to change the idle timeout value for all network share connections
Run the following command in an elevated command prompt:
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net config server /autodisconnect:number |
Where number is the idle timeout in seconds. Use 0 for very quick disconnections and -1 to never disconnect.
Macrium Reflect also has a way to automatically delete active connections
Authenticated Network connections created by Macrium Reflect at the start of a backup can be automatically terminated on application exit rather than waiting for the default Windows timeout.
To enable this, create the following registry entry:
| Key: | HKEY_LOCAL_MACHINE\SOFTWARE\macrium\reflect\Settings |
| Name: | DeleteNetworkConnection |
| Type: | DWORD 32 bit |
| Value: | 1 |