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Error 27506: The server could not load DCOM (7404) Print

  • 27506, Installation Error, SQL Error, Installation, Error
  • 30

Background:

As part of our SixBit installation, we download and install a copy of SQL Server 2008 R2 Express. SQL Server 2008 R2 Express is a program from Microsoft. During the first time installation, we create a SQL Server database file on your computer. 


Symptom:

When the SixBit installer attempts to create the database file, the user sees an "Error 27506 - The server could not load DCOM (7404)".

Possible Causes:

Security programs and firewalls are designed to protect your computer from programs creating files on your computer, and some of them do not allow the creation of database files.  As a result, the SQL query that is trying to create the initial database fails.  Known security programs that cause this are CA Security Suite (California Associates) and Nvidia Hardware firewalls. 

Solution:

Try deactivating the security software, then perform the installation and reactivate when completed.  If you find a security program that displays this error, and you find the steps to correct it, please report them to us for inclusion in this document.


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