Issue

During an update or an upgrade the default value of the setting "Number of Simultaneous VM Backups" can become 0. As a result, machine backups cannot be performed

Click "Detect tape devices" to update the information about the attached tape devices

You are backing up several virtual machines with Acronis Agent for Hyper-V (installed on the Hyper-V host) or Acronis Agent for VMware (Windows) installed on a Windows machine connected to the ESX(i) host.

The backup plan is applied to a group of machines.

In a while, you receive an error message or an email notification about the error: "No backup items were resolved. GXT: The item provider has skipped the report of an item with key."

Process Monitor is a special Windows Sysinternals monitoring utility. It is used to diagnose certain software and compatibility issues.

You are backing up any data to a local drive or a network share of any type. Backup schedule is other than "Always incremental". Always incremental archives are not affected by this issue as this backup scheme produces archives of another type.

At some point when you already have a full backup and create subsequent backups, the process starts failing or producing a warning: "The archive is invalid or its type is unsupported."

Issue can also happen when trying to delete the backup.

To back up the system encrypted with BitLocker you will need to create an image from Windows

BitLockerで暗号化されたシステムをバックアップするために、Windows でイメージを作成する必要があります。

Update Acronis Scheduler and recreate the tasks

Symptoms

  1. You are attempting to install Acronis Backup & Recovery 10 Agent for Windows or Acronis Disk Director 11 Advanced;
  2. The installation starts, but then rolls back;
  3. In the installation log you search for the Return value 3 entry (for operating systems in English) and you see the following error entries:

    (!) For complete information on how to analyze installation logs, please see Analyzing Installation Logs of Acronis Products Based on MSI Technology.

You create a backup plan with a pre-set template for schedule - "Weekly full, Daily incremental"

You expect to have only the set amount of full backups, but in fact each month one extra is generated on the first day of the month.

シナリオ

1. バックアップ計画を作成します。スケジュールを設定する際、「週単位で完全、日単位で増分」というプリセット テンプレートを選択します。

2. プリセット テンプレートによって設定されている完全バックアップ数に加えて、毎月初日にもう一つの完全バックアップが作成されます。

原因

これは製品の既知の問題です。毎月の最初のバックアップが完全バックアップになります。

ソリューション

Acronis Backup 12.5 の場合: この問題はビルド10130にて改修されておりますので、製品のアップデートを実行して下さい。

Acronis Cloud の場合: この問題は Acronis Cyber Cloud 8.0 で修正されています。製品を最新ビルドにアップデートしてください。

追加情報

アップデートしたくない場合は、回避策として、カスタムなバックアップ スキームでバックアップ計画を作成してください。

Acronis Customer Central provides support for trial versions via email/chat during the trial period (see Trial version limitations of Acronis products).

The reason is that the backup was created with disabled VSS support

Start the Acronis Scheduler2 Service to fix the issue

Using Wireshark you can collect network tracing logs

The product cannot access the hard disk drive to create a snapshot

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