ShadowConnect registry settings for non-english language support

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  • Products:
    ExtremeZ-IP, ShadowConnect
  • Revised:
    5/27/2011
  • Reviewed:
    5/27/2011

In order to function properly on Windows servers with non-english languages configured, ShadowConnect requires the modification of three registry values.

This is required so that ExtremeZ-IP can properly parse the EZShadowsFor{x}.txt file when determining if there are any shadow copies available for the volume. (The “{x}” in this file name is substituted for the drive letter being used).

These three parameters are in the registry at the following location:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ExtremeZ-IP\Parameters4\VSS\Refreshable

and they are called:

VSSLocalStringContentsOf (default value is “Contents of”)
VSSLocalStringCreationTime (default value is “creation time:”)
VSSLocalStringShadowCopyVolume (default value is “Shadow Copy Volume:”)

These keys are automatically created at run time if they don’t exist. You can change these values to their non-english language equivalents to get Shadow Connect to work right in their environment.

You should run the following command once to determine the values for these keys:

vssadmin list shadows /for=c:

This will display the current shadow copy “sets”, which look like this:

Contents of shadow copy set ID: {4717beb4-f5d6-4055-9c00-62e040a09565}
Contained 1 shadow copies at creation time: 2/3/2011 3:28:57 PM
Shadow Copy ID: {72dae7b2-b9c8-4b49-9713-03177fad9523}
Original Volume: (C:)\\?\Volume{ac2a0daf-99cf-11dd-b5ff-806e6f6e6963}\
Shadow Copy Volume: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy31
Originating Machine: demerara.grouplogic.com
Service Machine: demerara.grouplogic.com
Provider: ‘Microsoft Software Shadow Copy provider 1.0′
Type: ClientAccessibleWriters
Attributes: Persistent, Client-accessible, No auto release, Differential, Auto recovered

ExtremeZ-IP looks in this output for those key words above in bold. These can be in a language other than english, and these are the values that you need to put in these registry keys for this to work. Note that the colons are needed. They help narrow the parse so that ExtremeZ-IP finds the right stuff, so these colons should be included in the registry key values.

For example, an Italian customer has this for the EZShadowsForG.txt file:

Contenuto dell’ID gruppo di copie shadow: {ac872192-d8ee-4c25-8a9b-a04f2267f979}
Conteneva 1 copie shadow al momento della creazione: 26/01/2011 14:27:44
ID copia shadow: {cfa00e4a-25f0-4a8c-b9e4-943670104575}
Volume originale: (G:)\\?\Volume{69f7e22d-fe3c-11df-a59b-005056830423}\
Volume copia shadow: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy1
Computer di origine: SRV1.ArtiGraficheAlpine.local
Computer di servizio: SRV1.ArtiGraficheAlpine.local
Provider: ‘Microsoft Software Shadow Copy provider 1.0′
Tipo: ClientAccessible
Attributi: Permanente, Accessibile dal client, Senza rilascio automatico, Nessun autore, Differenziale

They would need to add the bold values to the keys to allow ShadowConnect to function properly.

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