When creating a subscription after entering the account information you receive the following error:
Unable to save the task "Error 0x80070520: A specified logon session does not exist. It may already have been terminated."
A group policy could be affecting the default security options.
To Check the local policies on the Messagestats server and insure that the "Network access: Do not allow storage of passwords and credentials for network authentication" is not enabled.
1. Click Start | Administrative Tools | Local Security Policy.
2. Expand "Local Policies" and Select "Security Options"
3. In the details pane verify that "Network access: Do not allow storage of passwords and credentials for network authentication" is set to Disabled.
Note: If the policy cannot be changed you will have to contact your Group Policy administrator to determine what GPO is affecting the server and have them change the setting.
