Posted on: 2/27/2012 1:23:34 AM | Views : 707

Dear all
 I want to install SQL 2008R2 express in my RODC(server 2008 R2) , But it failed. it said " The following error has occurred: The request is not supported. IF I click help, the linkID is 20476. message source: setup.rll  message ID: 50000     Product Version: 10.50.1600.1 EvtType  0x34D926F9%400xBC427EF5.   IF I click retry.  the error message is " No MAPPING BETWEEN ACCOUNT NAMES AND SECURITY idS WAS DONE.
PS: My server 2008 R2 is X64   and I also download X64 sql 2008r2 express.
How to solve it ?
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