RecoverPoint for VMs - Upgrade to 5.3 fail at 11%-12%

The control and installation logs show the assertion below:

2020/10/08 14:53:14.525 - #2 - 12686/11893 - AssertLCPrinter: printing LC contents for assert with topic=VCPersistentState, msg=Assertion failed: !hasRegisterVMParams(a_key) Line 1167 File VCPersistentState_DG.cc PID: 11893 Info: (vcUuid=(uuid=cadcb522-1e33-45cf-8ba6-90129a915ed2),uuid=e4276c9a-daa2-ffa1-c4f1-59d19102f99c) already in m_registerVMParamsMap in VCPersistentState

2020/10/08 14:53:14.525 - #2 - 12686/11893 - AssertLCPrinter: finished dumping LC

2020/10/08 14:53:14.525 - #0 - 12686/11893 - VCPersistentState: errno=0 Assertion failed: !hasRegisterVMParams(a_key) Line 1167 File VCPersistentState_DG.cc PID: 11893 Info: (vcUuid=(uuid=cadcb522-1e33-45cf-8ba6-90129a915ed2),uuid=e4276c9a-daa2-ffa1-c4f1-59d19102f99c) already in m_registerVMParamsMap in VCPersistentState

As part of internal data structure translation during upgrade, the control process adds a duplicate entry in the data-structures manifesting from old stale configurations of Shadow/Copy VMs either from 5.0 ResourcePak version or a stale entry for a VM under two different CG Maps(one CG is stale). In such conditions, the Control Process asserts repeatedly, causing reboot regulation.

Workarounds:

Preventive:
Before upgrade to version RecoverPoint for Virtual Machines 5.3, run the following signed script in all RecoverPoint for Virtual Machines clusters:
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Log in as admin user using PuTTY/SSH >
[2] Setup > [8] Advanced options > [4] Run script

Paste the following encoded script:

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#

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Reactive:
After the upgrade fails:

1. Manually downgrade RPA1 (perform this only if RPA1 is detached and the repository not upgraded)
2. Run the signed script from the Preventive Workaround and Unprotect the VMs returned in response, protect again, and repeat the upgrade.

Resolution:
This issue is addressed in the RecoverPoint 5.3.1.

To determine whether an upgrade is appropriate for your environment, contact the Dell Customer Support Center or your service representative and reference this solution ID.