Nov 09, 2020 · Comments on ActiveSync limits. By default, there is no maxAllowedContentLength key in the web.config files for ActiveSync. However, the maximum message size for ActiveSync is affected by the maxAllowedContentLength value that is applied to all web sites on the server. The default value is 30000000 bytes (30 MB). Small business web hosting offering additional business services such as: domain name registrations, email accounts, web services, online community resources and various small business solutions.
We are migrating from Exchange 2003 to Exchange 2010. We use Microsoft ISA for iPad users to access corporate email on the Exchange servers. Users that have been moved to Exchange 2010 can no longer open attachments larger than 10MB on their iPad. Error mesage on iPad is "Cannot Download Attachment".