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New or replacement NAC / EAC Appliance Green in NetSight Console But Red in NAC Manager

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TitleNew or replacement NAC / EAC Appliance Green in NetSight Console But Red in NAC Manager
Symptoms
  • NAC / EAC Appliance green in NetSight Console
  • NAC / EAC Appliance red in NAC Manager
  • NAC  / EAC Manager shows Status: Not Started or Unreachable
  • New appliance is brought online, but cannot connect to Netsight/EMC
Environment
  • All NetSight platforms
  • Newly added NAC Appliance
  • RMA NAC appliance
  • Non-default Web Services Credentials
  • EAC
  • Extreme Access Control
  • Extreme Management Center
Cause
Mis-matched Web Services Credentials
Resolution
  1. SSH into the new NAC Appliance
  2. Type /opt/nac/configWebCredentials <username> <password> to change the credentials
  3. Type nacctl restart to activate the new credentials
Additional notes
The above process, and other Web Services troubleshooting, is also available in the "NAC Deployment Guide" section of the NetSight "Help" webpages. 

This is where to find the credentials to use in step 2

NAC Manager
Tools > Management and Configuration >Advanced Configuration
Global and Appliances Settings> Appliance Settings > Default
Credentials tab > Web Service Credentials "NAC Appliance Web Service Credentials"

Also note that the default NAC web credentials for 6.2 NAC systems and VMware is Enterasysn@c.  As of 6.3, the new credentials are Extreme@pp

------------
Possible output errors from nacstatus output
#-------------------------------------------------------------------------------
# Communications Diagnostics
#-------------------------------------------------------------------------------

NAC to NetSight WebServices:           FAILURE.
NetSight to NAC WebServices:           UNABLE TO TEST.
JMS Topic Connection:                  DOWN.

--------
Errors from /var/logs/tag.log

2017-07-06 08:19:00,320 ERROR [NacEndSystemWebServiceClient] Cannot verify web services connection to NAC management server: 192.168.1.101; no credentials
2017-07-06 08:19:29,864 ERROR [NacEndSystemWebServiceClient] Cannot verify web services connection to NAC management server: 192.168.1.101; no credentials

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