Release notes for Acronis Data Cloud backup agent

Overview

With this update, the Acronis flagship cloud product offers enhancements and addresses the issues found in the previous releases.

Version 12.5.12530

• Release date: February 26, 2019
• A part of Acronis Data Cloud 7.8 Update 2

Fixed issues

• [ABR-210974] Mounting a large recovery point may fail with "Paths to mounted folders not found."
• [ABR-209940] Using WHM plugin may fail with "Error 0x2bf0002: Authorization: backup console host '[Backup Console URL]' is not correct" error.

Version 12.5.12420

• Release date: January 14, 2019
• A part of Acronis Data Cloud 7.8 Update 2

Fixed issues

• [KERNEL-2315] Microsoft Windows Hyper-V host may crash in specific cases due to Acronis file_tracker.sys file system driver installation.
• [ABR-205738] File recovery from agentless backup of a VM which contains Linux with LVMs inside, may not work for specific LVM configurations.
• [ABR-204466] Recovery of disks/volumes fails with "Inode Is Corrupted" in cases when "ext4" file system inside the backup contains a file that is larger than 12.5% of entire file system size.
• [ABR-203519] Mounting a disk/volume from a backup by using Windows Explorer fails if recovered into the original location.
• [ABR-200593] Acronis MMS process memory consumption constantly grows after each VM/container backup from Virtuozzo 6 host.
• [ABR-200080] Backup of Microsoft Exchange mailboxes may randomly fail with "Failed to initialize the PowerShell host" error.
• [ABR-197152] Files/folders cannot be browsed in backup of volume with ReFS file system on Windows Server 2019.
• [ABR-194696] Unclear error message in the log file if the backup was interrupted by system reboot.
• [ABR-192313] Incorrect date ("November 29, 2076") is displayed when browsing Exchange calendar objects in an application-aware backup.
• [ABR-191388] Backup scheduled using "When specified user logs off the system" and "When specified user logs on the system" conditions does not run upon these events.
• [ABR-173532] Exchange mailbox backup may fail in case of unstable network connectivity between Active Directory domain controller and Microsoft Exchange server.
• [ABR-171148] "Daily" backups are not properly deleted by retention rules, which are set up to clean up "Monthly", "Weekly" and "Daily" backup sets using different rules.

Version 12.5.12210

• Release date: November 12, 2018
• A part of Acronis Data Cloud 7.8 Update 1

Fixed issues

• [ABR-200238] Endless "Access denied" errors when deleting recovery points from shared folder.
• [ABR-199995] UDP ports publicly opened after agent installation and during backup.
• [ABR-199955] service_process crashed on deduplication map merge.
• [ABR-199289] Backup fails with error message 'Cannot back up the contents of ''.' when deleting files or folders.
• [ABR-199016] Unable to browse mailboxes in a backup if the Exchange database was created with lowercase letters in the disk name.
• [ABR-198556] WinPE media reports its version in incorrect format.
• [ABR-198305] System State backup fails with "Windows error: (0x80070003) The system cannot find the path specified" if the system disk ID was changed.
• [ABR-197637] Missing item protections for O365 and VMs.
• [ABR-197002] Backup is not started with enabled option "If the machine is turned off, run missed tasks at the machine startup".
• [ABR-196786] Sometimes Agent for Linux reports itself as an ATIH agent.
• [ABR-196155] SNAPCTL_GETSPARSEDMAP returns incorrect bitmap for ext4 volumes that are larger than 16TB.
• [ABR-195181] In the single volume mode with chains, the space is not reused after retention.

Version 12.5.12110

• Release date: October 8, 2018
• A part of Acronis Data Cloud 7.8

Fixed issues

• [ABLOC-11302] Text is truncated in Agent for Mac's Backup Monitor (French localization).
• [ABLOC-11301] Text is not fully localized in Agent for Mac installer (French localization).
• [ABR-109180] It is impossible to backup an instance and databases of Windows Internal Database in certain circumstances.
• [ABR-121462] The setup program does not show a correct error if the WMI service is disabled on the machine.
• [ABR-134220] Unable to add smb.hidrive as the backup location, endless credentials requests "The credentials for 'smb://xxx.xxx' are incorrect."
• [ABR-151193] Recovery of a backup (with the Version 12 backup format) from USB drive does not start. Error: "Cannot recover from the specified backup archive. The archive resides in a location that becomes inaccessible after reboot that is required for recovery."
• [ABR-152138] Live update leaves locked file, further updates fail with error "ERROR: Lock file /tmp/trueimage_inst.lock is found. Installer is running already."
• [ABR-163628] Acronis Managed Machine Service fails to start when the PreferExternalManifest key in registry is set to 1.
• [ABR-168967] Backup of Mac fails with error "Operation with partition '0-0' was terminated" if the backup version 12 was chosen in the backup options.
• [ABR-169543] NTFS permissions are reset during file recovery to a network share from a disk backup.
• [ABR-172995] Multiple Microsoft Office 365 cloud-to-cloud backup agents deployment is possible within a customer tenant.
• [ABR-175023] Backup of entire Mac hangs if sleep mode is initiated during backup.
• [ABR-175523] Retention rules may fail if a network share isn't available for a short time.
• [ABR-177007] An incremental backup to a Physical Data Shipping backup (backup version 12) may fail with error 'The file is corrupted.'
• [ABR-177708] Acronis Managed Machine Service is crashing periodically on the Microsoft Hyper-V host after agent update to version 12.5.10170.
• [ABR-177947] Port 9850 is opened while updating an agent to version 12.5.10170.
• [ABR-178302] An incremental backup of Microsoft Office 365 mailboxes fails with the error "0x15d0837: Cannot parse data due to incorrect tag '131074' instead of '0'" after agent update.
• [ABR-178517] Ports 9876 and 43234 is opened while updating an agent to version 12.5.10170.
• [ABR-178872] On a Mac, the EFI partition from a non-system disk can be selected as the backup destination in "Where to backup" while it should not.
• [ABR-180057] Backup of unmounted Recovery HD volumes fails on macOS Sierra (version 10.12) with volume locking error "Operation not permitted".
• [ABR-180392] Browsing of .tib and .tibx files in Microsoft Windows Explorer hangs after the second try.
• [ABR-181405] SQL-aware backup fails because the service_process service crashes on Microsoft Windows 2003 32-bit with Microsoft SQL 2005.
• [ABR-182317] Tray Monitor shows outdated value in the Next backup field.
• [ABR-182614] If more than 1 backup plan is applied to Agent for VMware or Agent for Hyper-V and these plans are scheduled to start at the same time, then they are started with unexpected 2-3 minutes delay (only 1 plan starts exactly as scheduled)
• [ABR-183366] Acronis Managed Machine Service (acronis_mms) does not start in Linux if a file named "Acronis" exists in the root folder.
• [ABR-184261] An incremental backup to an SFTP server running FreeFTP Server (v.1.0.12) fails with "Access to the file is denied." error if the backup format is set to Version 12.
• [ABR-187339] The Acronis Managed Machine service process (mms.exe) sporadically crashes while backing up a Hyper-V virtual machine after a migration within a Hyper-V Cluster.
• [ABR-187545] Backup of files/folders from a network share may cause the service_process.exe process to crash during a backup in case of unstable network connection between the backup agent and the data source.
• [ABR-188297] Mounting a disk/volume from a disk/volume level backup via Windows Explorer fails with "Device not ready" if the Version 12 backup format is used and the backup is located on a network share.
• [ABR-190061] The list of recovery points within a backup cannot be retrieved from the "Backups" tab if the backup is browsed while an incremental backup is running.
• [ABR-190446] Backup fails with the "Functionality 'serverBackup' is not available. Please use the appropriate license." error in certain scenarios when the backup agent is uninstalled and then re-installed using different versions.
• [ABR-190800] The "File filters" backup option does not work for file-level backups of network shares, if the backup format is set to Version 12.
• [ABR-191117] Concurrent backups executed by a single backup agent cause high usage of threads and events by the mms.exe process
• [ABR-192179] Port 41581 is incorrectly opened during a backup to the cloud storage

Version 12.5.10790

• Release date: September 17, 2018
• A part of Acronis Data Cloud 7.7 Update 2

Fixed issues

• [ABR-182614] If an Agent for VMware or Agent for Hyper-V executes more than one backup plan, and these plans are scheduled to start at the same time, then they are started with an unexpected 2-3 minutes delay (only 1 plan starts exactly as scheduled).
• [ABR-181421] Unsuccessful network share mounts on Linux machines may produce garbage files in the /tmp directory which are not cleaned up automatically.
• [ABR-181405] In some cases, service_process.exe crashes when performing an application-aware backup of a Windows Server 2003 machine running Microsoft SQL Server 2005.
• [ABR-179131] Backup to the cloud storage may complete with the "Assertion failed: CurrentUnit->GetSize()..." warning.
• [ABR-177723] If a backup is exported/replicated to another location, then the retention rules that are applied to this exported/replicated backup do not perform the data clean up properly, thus leaving orphaned backup chains. As a result, the backup size in the original and the secondary backup locations differs significantly, even though both backups contain the same set of recovery points.
• [ABR-177717] Memory leak in mms.exe process on machine with 512MB of RAM when the backups are performed every 30 minutes or more often.
• [ABR-176719] The managed-machine service ("mms") crashes in Linux during a backup to the cloud storage through a configured proxy connection if the proxy server becomes unavailable.
• [ABR-175989] Backup to an SMB share with the Version 12 backup format does not properly fail and hangs instead if there is no free space left on the share.

Version 12.5.10330

• Release date: July 11, 2018
• A part of Acronis Data Cloud 7.7 Update 1

Fixed issues

• [ABR-174124] Registration of agent with token sometimes fails with HTTP 500 error.
• [ABR-166483] Cloud-to-cloud backup agent for Microsoft Office 365 may not start the backup on schedule in certain circumstances.
• [ABR-171954] It is impossible to perform a recovery from older recovery points after update of agent from version 6.1 to 7.7 if the Version 12 backup format was chosen in the backup options.
• [ABR-174182] SnapAPI is not compiled after update to 7.7 agent for Linux.

Version 12.5.10170

• Release date: June 6, 2018
• A part of Acronis Data Cloud 7.7

Fixed issues

• [ABR-171679] After the agent is updated to version 12.5.9940, the first incremental backup includes data that was not changed since the previous backup.
• [ABR-172572] File backup to the cloud storage with the backup format set to Version 11 may get corrupted after failing to rename a temporary meta file on the storage side.

Version 12.5.9940

• Release date: April 18, 2018
• A part of Acronis Data Cloud 7.7

Fixed issues

• [ABR-141509] Tasks gathering works too slowly for Microsoft SQL queries formed from GET requests coming from UI.
• [ABR-148380] schedul2.exe may crash on a machine with Windows 8.1 / 10 in certain circumstances.
• [ABR-118622] Backup completes with errors in activity details in case some items were moved after backup start. Message: "The optional value is null."
• [ABR-135651] Number of backed-up Microsoft Office 365 mailboxes may be wrong for some accounts.
• [ABR-143865] Need to change the warning "The agent is already registered on management server" to informational message.
• [ABR-144977] There is no automatic retry on error "An existing connection was forcibly closed by the remote host".
• [ABR-141569] Deployment activity does not fail in case of problems during deploy.
• [ABR-144148] Validation activity may fail with error "Failed to resolve item 'Session/Server/' by its reference." after the Microsoft SQL Server database backup to the cloud storage with retention, if the backup format is set to Version 11.
• [ABR-146976] The service_process process may hang while deleting backups in a long chain of Microsoft SQL Server or Microsoft Exchange data backups.
• [ABR-131296] Backup of Microsoft SQL works unacceptably slow with FILESTREAM.
• [ABR-115352] Backups created with the encryption option enabled are not encrypted in certain circumstances.
• [ABR-132303] Cannot resume validation after network disruption: "Cannot resume a command because it is not paused."
• [ABR-136172] Backup does not fail when a quota is exceeded.
• [ABR-139903] Cannot recover a folder to the original location if the Managed Machine Service user does not have access rights for this directory: "Backup plan account '' does not have a permission to write to location..."
• [ABR-140057] There are many open network sessions after a backup to a network share is finished.
• [ABR-147814] NTFS permissions are reset during file recovery from a disk backup.
• [ABR-148440] Applying retention rules may fail with the error "Password for protected archive is incorrect." if the backup plan was created by a user and the backup was started by a company administrator.
• [ABR-150716] EFI virtual machine does not boot after recovery.
• [ABR-138111] Backup SMB shares fails with error: "None of the items selected for backup were found." after changing the network credentials and editing a backup plan by specifying the new valid credentials.
• [ABR-148528] There is no "Apply RAID / LVM" button in bootable in media.
• [ABR-139362] LUKS-encrypted LVM volumes are not backed up by the Entire Machine backup plans.
• [ABR-151077] Increase sysinfo security on Linux.
• [ABR-130696] File filters (exclusions) do not work on Windows Dynamic Disks in certain circumstances.
• [ABR-126033] TIB and .jrnl files are created by incremental backup before a Physical Data Shipping backup was uploaded. Uploading fails.
• [ABR-153276] Cannot register an agent if a proxy server is set up in the network.
• [ABR-142277] Cannot find a sub-item in the information store.
• [ABR-151835] Microsoft Exchange item recovery fails with error "SOAP protocol error has occurred while accessing the EWS server. SOAP code: ErrorInvalidServerVersion. SOAP message: The specified server version is invalid.."
• [ABR-150927] Replication to cloud fails with error "Failed to resolve item 'Session/newdb/newdb/EDB/0/14' by its reference."
• [ABR-133747] Recovering a virtual machine from a specific customer backup fails with a resizer error.
• [ABR-134448] Hidden shares are not saved as a source of backups.
• [ABR-149815] Cannot create a full or a differential backup after an incomplete backup.
• [ABR-156210] Bootable media does not detect external disks with GPT.
• [ABR-141140] Cannot edit backup plan - hangs on loading, because of problems with http.dll.
• [ABR-137888] Unable to choose hidden folder as a source for backup.
• [ABR-151677] Installation of Agent for SQL on Windows Server 2003 with Agent for Windows installed fails.
• [ABR-156288] User is asked for a password when refreshing recovery points, archive name is not specified.
• [ABR-153669] Differential backup may hang when new archive format is used.

Version 12.0.4670

• Release date: February 22, 2018
• A part of Acronis Data Cloud 7.5

Fixed issues

• [ABR-153707] Replication of backups of Microsoft Exchange databases to the cloud storage fails with error "Internal error in library. The linked position is unknown." if the backup format is Version 11.
• [ABR-144894] SQL logs are not truncated after an application-aware backup, if the instance has never been backed up by using the native Microsoft SQL Server database and log backup.

Version 12.0.4560

• Release date: January 23, 2018
• A part of Acronis Data Cloud 7.5

Fixed issues

• [ABR-149976] The Managed Machine Service may hang if Active Protection with self-protection is enabled.
• [ABR-148440] Applying retention rules may fail with error "Password for protected archive is incorrect." if the backup plan was created by a user and the backup was started by a company administrator.
• [ABR-148072] Sometimes the backup size on the cloud storage is shown incorrectly after the clean-up, if the backup format is set to Version 11.
• [ABR-146976] The service_process process may hang while deleting backups in a long chain of Microsoft SQL Server or Microsoft Exchange data backups.
• [ABR-144148] Validation activity may fail with error "Failed to resolve item 'Session/Server/' by its reference." after the Microsoft SQL Server database backup to the cloud storage with retention, if the backup format is set to Version 11.
• [ABR-138801] The SnapAPI module may fail to compile on Ubuntu 16.04 with kernel 4.14.

Version 12.0.4500

• Release date: December 26, 2017
• A part of Acronis Data Cloud 7.5

Fixed issues

• [ABR-146388] The Managed Machine Service may crash on Microsoft Hyper-V Cluster 2016 where virtual machines migration is scheduled for every 15 minutes.
• [ABR-141767] Virtual machine running Ubuntu 16.x with LVM does not boot after recovery to original destination.
• [ABR-147437][ABR-125939] Virtual machines appear in the Backup Console about 10 minutes after the installation on a standalone Microsoft Hyper-V host and about 30 minutes after the installation on Microsoft Hyper-V in the cluster node.
• [ABR-144063] Recovery of an entire Office 365 mailbox to the original location may complete with errors in certain circumstances.
• [ABR-143797] Re-attempt of a file-level backup to the cloud storage fails with an error "The specified file does not exist" if the original backup attempt was not completed.
• [ABR-139267] Files are not recovered when the "Do not overwrite existing files" option is enabled and the files form the source folder were deleted.
• [ABR-144058] Recovery points are displayed for incomplete backups.
• [ABR-141754] Manual agent registration fails if the initial registration failed during installation.
• [ABR-143815] Incremental disk backup of a Mac to the cloud storage fails with an error "The specified file does not exist" if the previous full backup was interrupted.
• [ABR-143323] The size of backups with the Version 12 backup format is displayed incorrectly.
• [ABR-144154] Deleted items are not invalidated in the delete operation.
• [ABR-147556] A machine running Linux hangs during an installation of a backup agent when /var/tmp and /tmp are mapped to /usr/tmpDSK file via loop device.
• [ABR-143678] Backup may fail with an error "Internal error in library. The linked position is unknown." in certain circumstances.
• [ABR-143856] The clean up process may finish with warnings for a 32-bit backup agent: "Cannot free up space taken by the deleted backups. The operation will be retried during next backup deletion." while a backup file is locked by another process.
• [ABR-147675] A database is present in the backup console after dismounting from the Microsoft SQL Server instance.
• [ABR-142504] Unclear error message during backup when target location is full: "Internal error: data stream .TIB' is NULL pointer."
• [ABR-143354] Incremental multi-volume backup to an SMB share fails with an error "The archive is invalid or it's type is unsupported." if the previous full backup failed.

Version 12.0.4499

• Release date: November 30, 2017
• Only Agent for Linux is affected
• A part of Acronis Data Cloud 7.5

Fixed issues

• [ABR-143797] File backup to cloud fails with error "The specified file does not exist" if the first backup was not completed.

Version 12.0.4496

• Release date: November 21, 2017
• A part of Acronis Data Cloud 7.5

Fixed issues

This section describes issues that have been fixed in this update.

• [ABR-142212] Backup fails and is deleted from the cloud storage after seeding.
• [ABR-141640] Incremental backup to Acronis Storage Gateway fails with "The specified file does not exist." if the previous full backup was interrupted.
• [ABR-141086] Encrypted backup to the cloud storage fails after an agent upgrade.
• [ABR-140968] Backup to an SMB share fails with error "A vault with name 'smb...' already exists." after update from version 12.0.3917 to version 12.0.4290.

Known issues

This section describes issues that are currently known and provides solutions to avoid the issues where possible.

• [ABR-142264] Agent update can be paused by Active Protection.

  Solution: To proceed, click "Ignore" and reboot your machine after successful agent update.