A mobile/touch-app server installer fails with a generic null-reference-style error, even though the service account and password are confirmed correct.

All FAQ questions / Developer Studio, deployment, and upgrades

Answer

Consider a corrupted partial installation as the cause rather than continuing to retry the same install — removing the previously created site and its installation folder before reattempting a clean install has resolved this class of generic installer failure, which can otherwise look like a credentials problem.

Documentation-based answer. Confirm the product and release before applying it. This answer has not been verified in an IFS environment.

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