• I can reproduce the same issue in SQL Server 2008 R2. Instance is:

    Microsoft SQL Server 2008 R2 (SP2) - 10.50.4033.0 (X64)

    Jul 9 2014 16:04:25

    Copyright (c) Microsoft Corporation

    Enterprise Edition (64-bit) on Windows NT 6.1 <X64> (Build 7601: Service Pack 1)

    Client:

    Microsoft SQL Server Management Studio10.50.4033.0

    Microsoft Analysis Services Client Tools10.50.4033.0

    Microsoft Data Access Components (MDAC)6.1.7601.17514

    Microsoft MSXML3.0 4.0 5.0 6.0

    Microsoft Internet Explorer9.10.9200.17377

    Microsoft .NET Framework2.0.50727.5485

    Operating System6.1.7601

    Steps to reproduce:

    1. Open SQL Server Agent job and in General page click (...)

    2. Click Browse to look for the login and select it (click on the checkbox and then OK

    3. Back in the Select Login window click OK

    4. Throws the error "No object was found with the name "the login", but objects with names containing "the login" were found". Select the login from the list (checkbox) and click OK.