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Assume that you use Always On Availability Group (AG) in Microsoft SQL Server 2016. When the backup preference is set to "secondary" or "Read-Only secondary," you notice that the Managed Backup fails to compete a full backup.

DateTime    [FileRetentionAdminXevent] Type = SqlError, Code = 3203, Stage = Undefined, Message = Read on "FilePath\FileName" failed: 87(The parameter is incorrect.)  RESTORE HEADERONLY is terminating abnormally., Additional Info = N/A.


Service pack information for SQL Server 2016

This update is included in the following service pack for SQL Server:

Service packs are cumulative. Each new service pack contains all the fixes that are in previous service packs, together with any new fixes. We recommend that you apply the latest service pack and the latest cumulative update for that service pack. You do not have to install a previous service pack before you install the latest service pack. Use Table 1 in the following article to find more information about the latest service pack and latest cumulative update.

Determine the version, edition, and update level of SQL Server and its components


Learn about the terminology that Microsoft uses to describe software updates.

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