I´m trying to set up ArcSDE 10.2 on a Microsoft SQL Server 2008 R2 running on a Windows Server 2008 R2 Standard 64-Bit machine. I can create the database connection, but when I want to enable it for spatial data I keep on getting the following error message:

Error: The version of your database server is not supported
ERROR installing/upgrading ArcSDE, Error = -494

This is strange because the ESRI page on System Requirements states, that this combination should work.

Any idea what I could do, to get it fixed? Thanks


I´m using Microsoft SQL Server 2008 R2 64-Bit, or at least that is what Windows tells me (see image). I´ve tried without SP, than with SP1 and then SP2. Neither option worked.

Installed Eindows Programs

  • Is your SQL-Server install 64-bit? Esri has been 64-bit only on databases for a while now. – Vince Feb 20 '14 at 14:37
  • SQL-Server is 64-Bit. Do you think that could be a problem? – Martin Feb 20 '14 at 14:50
  • Check again, since you wouldn't get that error if your database were compatible. – Vince Feb 20 '14 at 14:53
  • You also need to have SP1 applied. – Vince Feb 20 '14 at 14:56
  • 1
    Try installing SP1 for your Windows Server 2008 R2, microsoft.com/en-us/download/details.aspx?id=5842 – hnasr Feb 25 '14 at 11:31

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