OPERATIONAL DEFECT DATABASE
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Pool operations may fail with an "invalid parameter" error.one or more of the ESXi hosts in the cluster assigned to a pool is disconnected\maintenance from the vCenter Server Important: We recommend you migrate from Horizon 7 to Horizon 8 as soon as possible. Horizon 8 offers numerous improvements in performance, scale, and experience for both Administrators and end users. Please see Ensuring a successful migration from Horizon 7 to Horizon 8 (89840) for additional advice.
one or more of the ESXi hosts in the cluster assigned to a pool is disconnected\maintenance from the vCenter servervCenter server returns a null value when VDI checks the ESXi version of the host and it causes invalid parameters symptoms can be seen in the connection server debug logs: ERROR (10E4-0B88) <PendingOperation-vm-4480-Refitting> [PendingOperation] Pool cn=7ea504a2-02dd-4bcf-b70e-ad0b103e7b3d,ou=virtualcenter,ou=properties,dc=vdi,dc=vmware,dc=int::Unable to refresh VM - test001 Error: Invalid parameters. DEBUG (10E4-0B88) <PendingOperation-vm-4480-Refitting> [PendingOperation] Pool cn=7ea504a2-02dd-4bcf-b70e-ad0b103e7b3d,ou=virtualcenter,ou=properties,dc=vdi,dc=vmware,dc=int errorState: [], class java.lang.IllegalArgumentException com.vmware.vdi.logger.Logger.debug(Logger.java:44) java.lang.IllegalArgumentException: Invalid parameters. at com.vmware.vdi.vcsupport25.VCUtils.compareVersions(SourceFile:130) at com.vmware.vdi.desktoptracker.PoolInformation.isPoolResourceValidForSVI(SourceFile:3787) at com.vmware.vdi.desktopcontroller.PendingOperation.h(SourceFile:2953) at com.vmware.vdi.desktopcontroller.PendingOperation.runTheOp(SourceFile:2314) at com.vmware.vdi.desktopcontroller.PendingOperation.run(SourceFile:2265) at java.lang.Thread.run(Thread.java:748)
Fix software or hardware issues in the failed ESXi host in the clusterRemove the failed ESXi host from the clusterRectified in 7.12 and higher - Update Horizon to the latest maintenance release, Horizon 8, Horizon 7.13
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