VIP Microsoft Credential Provider | Error System cannot contact validation server, or validation server is down

Products

• VIP Authentication Service
• VIP Software Development Kit
• VIP Enterprise Gateway

Issue/Introduction

After installing VIP Microsoft Credential Provider user when trying to login gets below error:
System cannot contact validation server, or validation server is down

System cannot contact validation server, or validation server is down

Cause

This may happen if DNS Name is configured for connecting to the RADIUS server in the Microsoft Credential Provider.

Resolution

Please use IP Address only for connecting to the RADIUS Server in the Credential Provider.

Registry: HKLM\SOFTWARE\Symantec\CP:
LoginDomainFieldId (DWORD): 9
Retries (String): 5
Time Out (String): 10
Validation Server (String): VIP-EG-IP:PORT:camouflaged_secret