Friday, February 24, 2012

Error 29506. SQL Server Setup failed to modify security permissions

Received the following error while installing SP2

MSI (s) (D8!A0) [21:07:09:062]: Product: Microsoft SQL Server 2005 -- Error 29506. SQL Server Setup failed to modify security permissions on file C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Data\ for user Administrator. To proceed, verify that the account and domain running SQL Server Setup exist, that the account running SQL Server Setup has administrator privileges, and that exists on the destination drive.

Tried running install with a domain account and local account with same results.

Based on the error message, I checked permission on the drive and still received the same error.

Followed resolution based on KB 916766, this did not resolve the error.

Only possible resolution I found was to disable UAP, reboot and retry the install. This will be done as a last resort, but any other suggestion will be appreciated.

Many Thanks

http://support.microsoft.com/kb/916766
This was the solution. Pays to read the resolution carefully
Went through ALL the files and finally found the ones without proper permissions

|||Check whether the account(admin ID) u r using to install SP2 has sysadmin privilege in SQL

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