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FAQ: Why is my model broken after I install 9.0 Service Pack 1?

Question

Why is my model broken after I install 9.0 Service Pack 1?

Answer

At ArcGIS 9.0 Service Pack 1, Dissolve had a 'Multipart' parameter added. Check if the model contains the Dissolve tool. If it does, the issue may have been caused by a change to Dissolve's signature.

For more details on why models break and the methodology to repair them see the Related Information section below.

Related Information