SharePoint 2010 listdata.svc returns 500 Internal Server Error

Aug. 19, 2015 by

I recently had a list on which all listdata.svc calls failed with a generic “500 Internal Server Error.” After reviewing some ULS logs, I found errors indicating my query attempts were aborted

Unable to Display this Web Part – Round 2

Jun. 9, 2014 by

As a continuation of my previous post on this issue, further investigation of my XSLTTransformTimeout issues points to farm-level performance issues with the SQL cluster. Since the last post and

"Unable to display this Web Part. To troubleshoot the problem, open this Web page in a Microsoft SharePoint Foundation-compatible HTML editor such as Microsoft SharePoint Designer. If the problem persists, contact your Web server administrator."

Unable to Display this Web Part

May. 19, 2014 by

In this latest installment of my ongoing series about intermittent SharePoint issues, I have been working with Microsoft Premier support on this web part error for well over a month

Intermittent Designer Workflow Failures – Unable to execute query: Error 0x81020014

May. 16, 2014 by

The past 3 weeks I have monitored another intermittent issue that is comically difficult to troubleshoot, this time related to the workflow infrastructure. End users report that list items fail