The servers are up and running there are no issues right now. What device are you trying to connect to the servers with? Is this an auto device you are doing a map update with or is this a fitness device you are trying to sync with Garmin Connect? Have you ever been able to update your device or devices in the past or is this the 1st time you are adding your device to Express? Please provide more detail to the issue you are having so we may provide you with a more detailed answer.
There are no reported problems with the Garmin Servers at this time. Please go through the suggestions in the FAQ: What troubleshooting options can I try when my ANT enabled fitness device will not upload data?