VPN Connectivity Fails - Authentication Error

[chsmith4]

I'm attempting to access the Open NX-OS 9Kv sandbox.  The reserveration was made, the lab indicates it is in 'Active' status, and an Anyconnect session was started with the host provided in the reservation email: 

• Lab Network Address: devnetsandbox-emea-gwy.cisco.com:20236
• Sandbox ID: aaee5c78-e45e-4ef2-9b74-4a28c778b187

Anyconnect authentication fails when attempted with a simple 'Login Failed' message.  

Lab is unusable without that service, help?

[chsmith4 · Accepted solution]

The session was halted, then waited for 5 minutes and started a new session.  Credentials and lab access worked fine on the second attempt.