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Add your user account to the System Administrator role. I suspect your account does not have the necessary permissions.
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Add your user account to the System Administrator role. I suspect your account does not have the necessary permissions.

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How do I do that &nbsp;? &nbsp;<br />
<br />
I have mixed mode and logging in with the admin user of windows
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How do I do that  ?  

I have mixed mode and logging in with the admin user of windows

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Make sure the mdf and ldf are on the same server as SQL Server Express.
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Make sure the mdf and ldf are on the same server as SQL Server Express.

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They are in the same computer. Ill try running SQL Management as admin ...
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They are in the same computer. Ill try running SQL Management as admin ...

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Running the SQL Management as admin worked .. go figure !
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Running the SQL Management as admin worked .. go figure !

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I am trying to attach a database to my sql server. both the mdf and the ldf files.<br />
<br />
I point to them and when I click OK I get an error that &quot;Access is denied &nbsp;Error: 5120)<br />
<br />
What should I do ? &nbsp;I tried copying to different folder, I tried importing into a different computer, no luck. <br />
<br />
Using MS SQL 2009 R2 Express, they are all the same version.
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I am trying to attach a database to my sql server. both the mdf and the ldf files.

I point to them and when I click OK I get an error that "Access is denied  Error: 5120)

What should I do ?  I tried copying to different folder, I tried importing into a different computer, no luck. 

Using MS SQL 2009 R2 Express, they are all the same version.

Problem attaching mdf and log files

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.

Microsoft SQL Server

Microsoft SQL Server 2008 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. Major improvements include the  Always On technologies and support for unstructured data types.