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I've inherited a situation where I have SQL Server 2005 Standard 32bit running on Windows Server 2008 R2 64bit.

When I come to install SSRS components I'm warned that "Failed to find the ASP.Net Version Registration with Microsoft Internet Information Services (IIS)."

In IIS 7 and above, each application pool can run in 32bit mode. If I change all application pools into 32bit mode will this solve the problem?

Are the better alternative solutions?

Thanks in advance.

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Have you looked at this: – Shawn Melton Oct 31 '12 at 10:26
up vote 1 down vote accepted

You can fix the problem by following the steps described in the link below:

In this link different scenarios including yours have been discussed. Hope it helps.

share|improve this answer
This looks really promising. I'll investigate any knock on effects of enabling 32bit mode on existing sites in IIS. – reticentKoala Oct 31 '12 at 11:40

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