Today a client reported this error
Error processing document: \\<sql box>\<folders>\test\CM1700039_20170609150741.XML db: <dbname> Cannot open database "<dbname>" requested by the login. The login failed. Login failed for user '<domain name>\<user name>'. Complete Document: 7CM17/0003909766
eConnect uses SSPI security, meaning that it uses the credentials of the logged on user.
Restated: The user that is logged on has to have security assigned to them in SQL
Screen shots below will walk you through it.