After upgrading to InfoScale for Windows 7.4.1, the VSS Shadow Copies feature is disabled and reports, "No volume is eligible for shadow copies"

After upgrading to InfoScale for Windows 7.4.1, the VSS Shadow Copies feature is disabled and reports, "No volume is eligible for shadow copies"

Article: 100046128
Last Published: 2019-08-13
Ratings: 0 0
Product(s): InfoScale & Storage Foundation

Problem

Upgrading from InfoScale 7.2, 7.3, or 7.4 to 7.4.1 will disable the VSS / COW Snapshot functionality and it cannot be re-enabled.
 

Error Message

No volume is eligible for shadow copies

The following error may also be reported to the Application Event Log:

Log Name: Application
Source: VSS
Event ID: 12289
Level: Error
Description:
Volume Shadow Copy Service error: Unexpected error DeviceIoControl(\\?\Volume{GUID} - 00000000000001E8,0x00530018,0000000000000000,0,000001853790C070,4096,[0]). hr = 0x80070057, The parameter is incorrect.

 

Cause

The upgrade process is resulting in a specific registry key getting changed to an invalid type:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{71a27cdd-812a-11d0-bec7-08002be2092f}

The UpperFilters value should have a type of REG_MULTI_SZ; however, the upgrade process was changing this to 0x20 which is not a valid type.


 

Solution

A hotfix is available at the following location: https://sort.veritas.com/patch/detail/15134.

The readme included in the link provides installation instructions.
 

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Note:
For a manual workaround/solution (instead of applying hotfix), the following steps can be performed:

1. Open the Registry (regedit), and browse to the following key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{71a27cdd-812a-11d0-bec7-08002be2092f}

2. Export this key to maintain a backup. 

3. Delete the UpperFilters value in the right-pane (right-click > Delete).

4. Create a New > Multi-String Value named UpperFilters.

5. Modify this UpperFilters value to add the Value Data: volsnap

6. Reboot the server.

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