Upgrade from 3.0.5.2833 to 4.1.0.16216 failed

[mjpalad]

Log from failed installation:

Looking for IIS Version
Configuring your new Vault Installation
Requesting the IIS Process User...Requesting Vault Admin user password...OK
Connecting to the SQL Server...OK
Verifying the SQL Server requirements...OK
Checking for an existing databases...Found.
Asking for database's fate...Keep existing.
Upgrading the existing source control database...
This may take a long time. Do NOT stop this process!
Checking the installed database version...OK
Creating SourceGear master database schema...OK
Ensuring that sgvaultuser has access to the Fortress database... Grant database access to sgvaultuser...OK
Upgrading SourceGear master database schema...OK
Upgrading SourceGear source control database schema...Invalid object name 'dbo.ufnmd5'.
Invalid length parameter passed to the substring function.
Type added.
Caution: Changing any part of an object name could break scripts and stored procedures.
The column was renamed to 'licensekey'.
Error during Vault upgrade script.
The statement has been terminated.
Vault Setup is exiting due to a failure or cancellation. Error Code = -1280

Thanks in advance for the help.

[lbauer]

This user called and we suggested he first upgrade to 3.1.9.

[mjpalad]

As Linda advised, I first upgraded to 3.1.9, then to 3.5.3, then to 4.1 and everything worked correctly. Thanks for the help, Linda.