Article ID: 314755 - View products that this article applies to.
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If you install Microsoft Data Access Components (MDAC) 2.7 after you have installed MDAC 2.6 Service Pack 2, you may receive the following error message:
Inf Install Failure. Reason: No signature file was present in the subject.
To resolve this problem, restart the MDAC 2.7 installation after you receive the error message mentioned in the "Symptoms" section of this article.
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.
This problem does not occur when you install MDAC 2.7 over MDAC 2.6 Service Pack 1 or earlier.
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