Veeam Support Knowledge Base
Guest Processing for Microsoft SQL Server Results in Logon Failure Error

Guest Processing for Microsoft SQL Server Results in Logon Failure Error

KB ID:	2689
Product:	Veeam Backup & Replication \| 9.5 \| 10 \| 11 \| 12 \| 12.1 \| 12.2 \| 12.3 \| 12.3.1 \| 12.3.2
Published:	2018-07-13
Last Modified:	2024-05-24

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Challenge

The following tasks fail with the error shown below:

Back up of SQL Server transaction logs.
Truncation of SQL Server transaction logs.
Collection of SQL instances metadata for Veeam Explorer for Microsoft SQL.

While the error message varies depending on the actual operation, there is a common error thrown in the job sessions:

"Logon failure: the user has not been granted the requested logon type at this computer. Code: 1385"

Cause

This issue occurs due to missing required permissions.

Solution

The permissions of the account specified for use with Application-Aware Processing need to be adjusted on the SQL server.

More information can be found in:

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