Microsoft KB Archive/938293

= Error message when you try to install Communications Server 2007 Standard Edition to a compressed drive: &quot;Failure [0xC3EC796A] MSI installation was unsuccessful&quot; =

Article ID: 938293

Article Last Modified on 8/15/2007

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APPLIES TO


 * Microsoft Office Communications Server 2007 Enterprise Edition
 * Microsoft Office Communications Server 2007 Standard Edition

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SYMPTOMS
When you try to install Microsoft Office Communications Server 2007 Standard Edition to a compressed drive, you receive the following error message:

Failure [0xC3EC796A] MSI installation was unsuccessful. Please check the log file for more information.

You view the following log file:

LC Server[ ][ ].log

This file is in the following folder:



When you do this, you receive the following message:

Error 27765. Failed to create Live Server database. MSI (s) (CC!F0) [16:52:21:515]: Product: Microsoft Office Communications Server 2007 (Beta 3), Standard Edition Server -- Error 27765. Failed to create Live Server database.

Then, you view the LCSSetup_Commands.log file in the following folder:



When you do this, you receive the following message:

Connecting to SQL Server on MSSERVER\rtc (Database rtcconfig doesn't exist.) Creating database rtcconfig Failed to create database rtcconfig [Microsoft][ODBC SQL Server Driver][SQL Server]The file &quot;c:\lc data\rtcconfig.mdf&quot; is compressed but does not reside in a read-only database or filegroup. The file must be decompressed.



CAUSE
This problem occurs because the Live Server database files cannot be read or written when the database is compressed.



RESOLUTION
To resolve this problem, follow these steps:
 * 1) Manually create a folder on the compressed drive. You will store the database in this folder later.
 * 2) Right-click the folder, and then click Properties.
 * 3) On the General tab, click Advanced.
 * 4) Click to clear the Compress contents to save disk space check box, and then click OK two times.

You can now install Communications Server 2007 Standard Edition to this folder.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbtshoot kbexpertiseinter kbprb KB938293

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