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VDI Show Unknown State Intermittently on VMware Horizon 7 version 7.4.x

Problem: VDI machine’s view desktops is shown unknown or provisioned missing state on Horizon View administrators of VMware Horizon 7 version 7.4.x.

This problem caused by missing VcCache updates due to socket timeout not happening  then results in incorrect status in View Administrator page of VMware Horizon 7 version 7.4.x.


Restart of the connection server services will bring the VM’s back to correct status.


Fix is available in Horizon 7.5 version or contact VMware support to get hot patch with VMware Horizon 7.4 version.


VMware Knowledge Base: VDI intermittently shown as unknown (missing) state on Horizon admin page in Horizon 7.4 version (56903)

Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook

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