Error 38 'Your CAC is invalid, and may be revoked or expired'
Symptoms
Activation or login returns Error 38.
Likely cause
DEERS / RAPIDS communication issue on certain days, OR the CAC really has been revoked or has expired.
Fix
1. Try again the next day - this is often a transient DEERS sync issue.
2. If it persists, go to an ID card office for a new CAC.
Sourced from militarycac.com. Rewritten for clarity.
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