Unable to add new VMs to an existing MCS catalog, error “A provision task failed”

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Article ID: CTX459978

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Updated On:

Description

When trying to add new VMs to an existing MCS catalog an error “A provision task failed: Cannot bind argument to parameter ’ADAccountname’ because it is an empty string” comes up right after the process starts

Resolution

• Cleared available and tainted SIDs under ‘Manage AD accounts’ though Cloud Studio
• Restarted Broker and MCS services in the DDCs
• Stopped pending ProvTasks not related to active processes via PowerShell through the DDCs
• After this, the customer was able to add new machines to the catalog

Problem Cause

• Possible problems with Citrix Broker services in the DDCs, or conflicts with tainted and available objects SIDs