Sessions hang at “Please wait for FSLogix” because frxsvc.exe is blocked by background race conditions leaving handles open.
Symptom Matrix:
Error: 0x0000001B, Event ID: 4647, State: Disk in use.
Architectural Root Cause:
Windows Search or Antivirus prevents the filter driver from dismounting the VHDX during logoff.
Surgical Fix:
Use handle.exe -a -p frxsvc (Sysinternals) to find the PID and kill the handle remotely.
Repeated locks indicate deep storage latency. [Find the root cause of your stuck sessions]
About the Author: Jabran Malik
Jabran Malik is a Principal Digital Workspace Architect and the Founder of EUC Global. With over 30 years of experience, he designs high-performance VDI platforms for clients worldwide, leveraging deep expertise across the Citrix, VMware, and Microsoft Azure ecosystems. He excels at translating complex business challenges into strategic solutions that enhance productivity and elevate the user experience.
Ready to Make Things Happen
Contact us today for impartial, expert advice from our lead Digital Workspace subject matter expert.
We’ll help you build a fast, secure, and future-ready digital workspace—perfectly aligned with your business goals.