You are trying to connect your DLP Cloud Detection Service to the Symantec CloudSOC, and have received a token as part of your DLP welcome package.
However, when using the token in the CloudSOC UI, you are getting an error that doesn't allow the registration to complete.
DLP Cloud Detection Service (aka "CDS")
Symantec CloudSOC (aka "CASB")
Various reasons, please see links below for specific solutions.
There are a few token-specific errors which indicate an expired token, use of an incorrect token, or an incomplete profile on the DLP Cloud Detector (which also prevents registration in CASB for a new DLP Detector).
If the token is actually expired:
If the profile on the DLP Cloud Detector is incomplete, it will throw this error:
If you were converting a CASB CIQ setup to the Enforce Managed DLP one, and you receive an error that one is "already added":
If the Appliance is not already "Enabled":
DLP Support can help ascertain whether a token has expired, and can reissue a new token if one is required.