Summary:   

Exchange Integration fails after upgrade to 2019 R1 / Exchange Integration does not work with Password Encryption

This is a known issue and is already being addressed. We are in process of providing patch for this soon.

In mean time until we release patch there is a below workaround you can use.

Symptoms: 

Excahnge Integration connection fails at second step.

Cause: 

Password Encryption

Resolution: 

Remove the Encrypted password from the database by running below queries. 


UPDATE users SET User_Password = NULL WHERE user_userid = 1 
Or  
UPDATE users SET User_Password = WHERE user_userid = 1

After successful execution of above query Exchange integration will work as normally.