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How to Deploy and Configure the Components of Citrix Virtual Apps and Desktops | by Sita rama suryanarayana raju addada | Axiom
![VDA Registration fails when a VDA version's Functional Level is lower than its Machine Catalog's Minimum Functional Level VDA Registration fails when a VDA version's Functional Level is lower than its Machine Catalog's Minimum Functional Level](https://support.citrix.com/files/public/support/article/CTX239687/images/0EM0z000000Bokg.png)
VDA Registration fails when a VDA version's Functional Level is lower than its Machine Catalog's Minimum Functional Level
![Cannot access Studio via OnPrem delivery controller - 'Reenter the controller address or enter a new address.' Cannot access Studio via OnPrem delivery controller - 'Reenter the controller address or enter a new address.'](https://support.citrix.com/files/public/support/article/CTX259066/images/0EM0z0000005ut7.jpeg)
Cannot access Studio via OnPrem delivery controller - 'Reenter the controller address or enter a new address.'
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