Tech Battle Field

Make the following changes on web.config to make the actual error visible on the page 1. Customerrors = "On" 2. CallStack="true"

Are you getting errors like the following that makes you frustrated even after validating/checking the webservices URL Path: 1. Some rules were not applied 2. "An error occurred accessing a data source. An entry has been added to the Windows event log of the server. Log ID:5566" If this happens only on certain servers  then, the issue might be with the crazy .Net framework 3.5 SP1 If you're getting the above infopath error after installing .net framework 3.5 SP1, then perform the following. I broke my head for nearly 8 hours: 1. Click Start, click Run, type regedit, and then click OK. 2. Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa 3. Right-click Lsa, point to New, and then click DWORD Value. 4. Type DisableLoopbackCheck, and then press ENTER. 5. Right-click DisableLoopbackCheck, and then click Modify. 6. In the Value data box, type 1, and then click OK. 7. Exit Registry Editor.