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How do I enter pre- and post-backup commands for Linux clients?
SUMMARY This article provides information on how to enter pre- and post- backup commands for Linux clients. ISSUE You can enter pre- and post-backup commands for Linux clients using the Backup Options tab. For instructions on using backup options, see Backup option procedures in the Recovery-Series and UEB Administrator's…
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Changes made to column order and visibility do not save
SUMMARY Changes made to column order and visibility are now persistent as of 9.0.0-15. ISSUE In the new user interface, changes made to column order and visibility are not persistent. RESOLUTION Upgrade to Unitrends Backup release 9.0.0-15, 9.1.0, or later. CAUSE A known bug in a version previous to 9.0.0-15.
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Scheduled backups are not visible to edit (after a VMware migration, reinstall, or restore)
ISSUE If you perform a vCenter deployment, restore, or migration that was not performed in textbook VMware practice, you may find that communications between Unitrends and vCenter will get disrupted, as well as your schedules will appear to have vanished and have become orphaned. You can verify your schedules are orphaned…
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Error: Combination of include and exclude list cause no volumes in list for backup
SUMMARY Resolution of the error "Combination of include and exclude list cause no volumes in list for backup" on a Windows agent backup ISSUE The following error is displayed on a Windows server protected using an Unitrends agent: Combination of include and exclude list cause no volumes in list for backup. The following…
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Slow backups due to network performance
SUMMARY Validating network performance and possible impacts on backup speed. ISSUE Slow backup performance and system is not utilizing or you have ruled out inlineDedup or DedupNT? For more detailed information on backup failures and performance issues see Unitrends KB 5062 - Backup Failures and Performance Issues…
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Verify backups option when creating a backup job
SUMMARY A detailed explanation of what the verify backups option does when creating a job ISSUE What is the verify backup option when creating a backup job? RESOLUTION Inline Backup Verification is a method to ensure data sent during backup has been properly received. The verify backup option is a checksum calculation that…
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Best protection options for a VMware Guest that is also running SQL.
ISSUE What are the best protection options for a VMware Guest that is also running SQL? RESOLUTION This depends on the "Microsoft SQL Recovery Model" that the database is running on. FULL RECOVERY: An SQL database with a Full Recovery Model must have transaction logs taken. The most efficient method is to have Unitrends…
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Backup task fails with a time-out error in Windows | FAILED_AT_FREEZE (0x800423f2 - VSS_E_WRITERERROR_TIMEOUT)
ISSUE Experiencing repeated and consistent failures of backups? It could be that your Windows system needs one (or more) of the many Microsoft Hotfixes to address the issue. RESOLUTION 1) Please stop and disable any backups that are related to he Protected Asset (the Windows Client). 2) Perform any hotfixes required to…
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Synthesis crashes due to a complex change block table
SUMMARY Steps to resolve an issue where synthesis crashes due to a complex change block table. ISSUE Synthesis crashes due to a complex change block table. RESOLUTION Upgrade to version 9.1.0 or later of the Unitrends software. CAUSE A known bug in a version previous to 9.1.0.
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Agent-based backups may fail
SUMMARY Agent-based backups may fail ISSUE Users may notice agent-based backup failure accompanied by the following error message: "Job terminated, error with disk metadata configuration" RESOLUTION To resolve this issue, upgrade your appliance to version 9.2 and verify that your protected assets are using the latest…