When attempting to start an Edge Proxy it will not come to Status Online.
When checking the logfile at <proxy_installation_directory>/logs/edgeencryption.log the following error is seen:
2020-02-15 13:53:25,050 INFO Proxy "Edge Proxy1" successfully retrieved keys from the ServiceNow instance "https://<instance-name>.service-now.com:443"
2020-02-15 13:53:25,318 INFO Registering keystore key <encryption key name> of type AES with length 128
2020-02-15 13:53:25,547 INFO Registering keystore key <encryption key name> of type AES with length 256
2020-02-15 13:53:25,547 ERROR Error occured during proxy startup: Default 128 bit key not found
When going to Edge Encryption Configuration > Encryption Key Configuration > All Keys - there is at least one record with Key size = 128 bits and State = Available defined there.
There is no Default 128-bit Encryption Key defined on the instance.
It is required that a 128 bit Default key is specified on the instance.