In an Exchange environment that has been upgraded several times, the old “active” servers may be kept in case something has been left out. If for some reason, the old servers have not been decommissioned and it is no longer possible to do so, we can have blockages in the administration (basic removal …). Solution …
Using ARR as a load balancer for Exchange requires special settings for Outlook Anywhere. IIS setting 1. Open the IIS console and click Request Filtering. 2. On the Actions menu, click Change Function Settings … 3. Change the value Maximum allowable length of the content: 2147483648 (2GB) then click OK. Farm configuration 1. Go to …
This article shows you how to migrate your local Exchange environment to Office 365. The advantage of this migration is to be transparent to the users, there is no need to redo the mail profiles and (re) download the OST. The phones / tablets will need to be reconfigured manually once the box is moved. …
Problem You cannot connect to the Exchange webmail (owa) which is hosted behind a reverse proxy (ARR, WAP, WAF …). The other services (Outlook / Telephone) work perfectly. Context You are in a high availability architecture (DAG) and a Reverse proxy – Load balancer is used. The article discusses the use of IIS and ARR. …