Test and Fix Webmail (OWA) and ActiveSync on Exchange

article #197, updated 4050 days ago

Here is an online tool:


put up by Microsoft, which tests all Exchange server communications, including Outlook Anywhere, mobile/ActiveSync/Android/iPhone, etc.  The downloadable tool at the following web site, seems to work better sometimes:


The following two KBs, if their fix-it steps are done in order, will fix many OWA and ActiveSync problems:

  1. http://support.microsoft.com/kb/883380
  2. http://support.microsoft.com/?id=817379

A large number of things to do in case of many specific error-codes, is here: