Displaying mapservices in either ArcMap or ArcCatalog causes either program to hang

Last Published: April 25, 2020


** Internal Publish Only! This article may contain information that is not intended for external circulation. **

In either ArcMap or ArcCatalog, ArcIMS mapservices fail to display or preview even though successful connections to those mapservices can be made.


There is a possible incompatibility with the existing version of msxml.dll.

Solution or Workaround

Follow these steps to reregister and update msxml.dll.

<pre class='ckeditor_codeblock' style='width: 800px; background-color: #fff7cc; border: 1px solid var(--calcite-ui-warning);white-space: pre-wrap;font-family:Arial'><b>Warning:</b>
WARNING: The instructions below include making changes to essential parts of your operating system. It is recommended that you backup your operating system and files, including the registry, before proceeding. Consult with a qualified computer systems professional, if necessary.

Esri cannot guarantee results from incorrect modifications while following these instructions; therefore, use caution and proceed at your own risk.

1. Open a DOS command prompt

2. At the command prompt, change to the Winnt\System32 directory containing msxml.dll

3. Register and update the file with

regsvr32.exe msxml.dll

Registering the msxml.dll

[O-Image] Register dll
In Windows Explorer, browse to msxml.dll and right-click it. Go to Properties > Version. It should now be version 8.0.5226.0

Article ID:000004564

  • ArcMap 8 x

Get help from ArcGIS experts

Contact technical support

Download the Esri Support App

Go to download options

Discover more on this topic