When you follow the article
Exchange Test CAS Connectivity user gets locked out when using Exchange 2010 MP
I followed this article. After running the script New-TestCasConnectivityUser.PS1, it locks the CAS user account created by running the script gets locked out.
After you make changes as recommended in the article, will break the outlook anywhere in E14. I faced this problem in two different organization.
It appears to be a bug!!! Any body has a solution?