Archives: Troubleshooting

Active Directory: Restore default GPOs Default Domain Policy / Default Domain Controller Policy

In this tutorial, we will see how to restore GPO Default Domain Policy / Default Domain Controller Policy to default. On domain controllers, a DCGPOFIX command line tool is available to restore the 2 default policies. Before proceeding with the restoration of the policies, I advise you to make a backup of this one before. …

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Veeam: Resolving the Volume Problem of Backups on Deduplicated Servers

Symptom On Windows servers with deduplication enabled, at regular intervals the backup size is increased. Below are several screenshots showing the problem: Reason The problem is not with Veeam software, but with deduplication on Windows Server. When configuring deduplication, a memory cleanup job is configured to optimize deduplication, by default this is done every Saturday …

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Windows Server Deduplication: reclaim disk space after deleting files

Presentation On a Windows Server volume where deduplication is enabled, when deleting files, the recovered space is not necessarily available immediately. In this article we will see how to recover the space immediately. Recover disk space Open a PowerShell command prompt as an administrator and enter the following command: Adapt the letter of the Volume …

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