MsExchOmaAdminWirelessEnable = 4 = Option 1 and 3 enabled and Option 2 disabled MsExchOmaAdminWirelessEnable = 3 = 011 = Option 2 enabled. MsExchOmaAdminWirelessEnable = 2 = 010 = Option 2 and option 3 enabled (option 3 requires 2). MsExchOmaAdminWirelessEnable = 1 = 001 = Option 1 and option 2 enabled. If msexchOMAAdminWirelessEnable is set to a number, it will cause EAS issues. Ideally, if this all set to enable, the attribute “ msexchOMAAdminWirelessEnable“will be in ADSIEdit. Navigate to Active Directory Users and Computers à Search for the user à Exchange Feature tab à Issue with one single user only: First thing I would look for is to check the OMA AD property enabled or not. Let’s split this into 4 different scenario and the issue should be isolated to one of these: This is the primary focus area or we will be going in circles. Isolate the issue be for user, device, server or organization wide Confirm ADPermission for internet facing CAS servers on “ms-Exch-EPI-Token-Serialization”.

Read event logs and filter MSExchange ActiveSync event in 10xx series.Look at CPU utilization for w3wp.exe on all CAS servers.Confirm Authentication settings on IIS VDir’s for CAS and MBX roles.Read IIS logs and look at the error’s if any.Isolate the issue be for user, device, server or organization wide.My way of troubleshooting flows this way which I will explain in detail: Recently I had an issue where users on one of the Exchange 2007 servers “ONLY” weren’t able to sync their mobile device. In this article I will try cover my way of troubleshooting Exchange ActiveSync issues from Server side and client side.

Em client 7 activesync push