VNXe: Error: CAS is Unavailable (User Correctable)
Summary: Receive error : CAS is Unavailable when logging into Unisphere
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Not all product versions are identified in this article.
Symptoms
When logging into Unisphere you may receive an error "CAS is Unavailable"
Cause
Resolution
Need to restart Management Services. The procedures to restart Management Services are below:
NOTE* THIS WILL NOT CAUSE ANY DISRUPTION*
If SSH is enabled:
1. Log into system via SSH tool with user name service and service password
2. run command > svc_restart_service restart MGMT
Wait about 5 minutes and try to log into Unisphere
If SSH is not enabled:
Access Unisphere in service mode:
http://insertmgmtip/service.html
Example:
http://10.1.20.1/service.html
Once logged in you will be able to restart management services from the service screen.
NOTE* THIS WILL NOT CAUSE ANY DISRUPTION*
If SSH is enabled:
1. Log into system via SSH tool with user name service and service password
2. run command > svc_restart_service restart MGMT
Wait about 5 minutes and try to log into Unisphere
If SSH is not enabled:
Access Unisphere in service mode:
http://insertmgmtip/service.html
Example:
http://10.1.20.1/service.html
Once logged in you will be able to restart management services from the service screen.
Affected Products
VNXe2 SeriesProducts
VNXe1 Series, VNXe2 SeriesArticle Properties
Article Number: 000056905
Article Type: Solution
Last Modified: 07 Nov 2025
Version: 3
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