TxDMV is currently experiencing technical issues with the address verification within MCCS and eLINC. We are currently working to resolve this issue.
You may contact Commercial Fleet Services at 1-800-299-1700, option 5 for more information.
The TxDMV regrets the inconvenience.
We will send out a notification when the issue has been resolved.
Source: Motor Carriers
MCCS and eLINC: Address Verification Issues