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Error asking Active Directory for current user's principal n

Hi,
I am having an issue configuring email notifications, when I try ti send a test email it failed. I have found the following error in the Web log file, it is generated when I try to send a test email: 
2017-03-15 15:54:14,074 [ 132] WARN RedGate.Response.Common.Utilities.UserAccountHelper - Error asking Active Directory for current user's principal name
System.InvalidCastException: Unable to cast object of type 'System.DirectoryServices.AccountManagement.GroupPrincipal' to type 'System.DirectoryServices.AccountManagement.UserPrincipal'.
 at System.DirectoryServices.AccountManagement.UserPrincipal.FindByIdentity(PrincipalContext context, IdentityType identityType, String identityValue)
 at System.DirectoryServices.AccountManagement.UserPrincipal.get_Current()
 at RedGate.Response.Common.Utilities.UserAccountHelper.GetUsername()System.InvalidCastException: Unable to cast object of type 'System.DirectoryServices.AccountManagement.GroupPrincipal' to type 'System.DirectoryServices.AccountManagement.UserPrincipal'.
 at System.DirectoryServices.AccountManagement.UserPrincipal.FindByIdentity(PrincipalContext context, IdentityType identityType, String identityValue)
 at System.DirectoryServices.AccountManagement.UserPrincipal.get_Current()
 at RedGate.Response.Common.Utilities.UserAccountHelper.GetUsername()
Thanks,
Jon.
jfuss
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  • Alex B
    Hi Jon,

    I believe you will need to add the service account used to query Active Directory to the Domain Builtin group “Windows Authorization Access Group†to correct this issue (be sure to restart the SQL Monitor Base Monitor service). If that doesn't work please also try adding the user the SQL Monitor Base Monitor service runs as to the group as well.

    Kind regards,
    Alex
    Alex B
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