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Copper Super Contributor
Posts: 26
Registered: ‎08-08-2013

MailMerge Error when creating history records - 403 Forbidden

Hi all,


we're getting the following error after sending a mailmerge, the mails are created and in sent folder in outlook.

If the desktop integration wants to create the history records for the mailmerge, the error occurs.


translated from german error message:

The Mailmerge encountered an problem and can not be continued.

HTTP-Error: Forbidden (403).

No error in EventViewer on the server.


That error only occurs on mailmerge, singe mails are working.

Any ideas which rights may be missing?

What Permissions are necessary for mailmerges?


kind regards


Posts: 629
Registered: ‎04-24-2009

Re: MailMerge Error when creating history records - 403 Forbidden

Hi André,


This issue can occur when either the ASP.NET Session expires of the Forms authorization ticket expires, which can occur if you are merging for a long period of time. How many e-mails are merged and how long does it take? You may have to increase your Session timeout, etc.