Configuration wizard fails error Duplicate ID on Sequence microsoft.sharepoint.portal.upgrade.farmsequence

SYMPTOMS:

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while trying to run the SharePoint Products and Technologies Configuration Wizard, get the following error

ERROR MESSAGE (If applicable):

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Duplicate ID on Sequence microsoft.sharepoint.portal.upgrade.farmsequence

ENVIRONMENT:

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Windows 2003 SP2, SQL 2005 SP2 and MOSS 2007 SP1

CAUSE:

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Cause not sure

RESOLUTION:

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Go to C:\program files\common files\Microsoft shared\web server extension\12\config\upgrade

you will find the file by name "SPSUpgradePremium.xml"

make a copy of the file

edit the file "SPSUpgradePremium.xml"

in your upgrade mapping file "SPSUpgradePremium.xml", there is an element, which looks like this:

 <Assembly Name="Microsoft.SharePoint.Portal.Upgrade,Version=12.0.0.0,Culture=neutral,PublicKeyToken=71e9bce111e9429c,Custom=null"> <Order>5</Order></Assembly>

Remove this one element from the file and your upgrade will run.

Once the upgrade finishes, please replace the file with the original file

ADDITIONAL INFORMATION: TO - RESOLVE

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in your upgrade mapping file "SPSUpgradePremium.xml", there is an element, which looks like this:

 <Assembly Name="Microsoft.SharePoint.Portal.Upgrade,Version=12.0.0.0,Culture=neutral,PublicKeyToken=71e9bce111e9429c,Custom=null"> <Order>5</Order></Assembly>

Remove this one element from the file and your upgrade will run.