ArcGIS Server 10.9.1 Setup Program Patch

• This patch fixes an unintended behavior of the ArcGIS Server 10.9.1 setup program that installs the software on Windows operating systems. ArcGIS Server 10.9.1 Setup Program Patch is a required patch. All future patches for ArcGIS Server 10.9.1 will require that the ArcGIS Server 10.9.1 Setup Program Patch be installed first.

The ArcGIS product listed in the table must be installed on your system before you can install a patch. Each patch setup is specific to the ArcGIS product in the list. To determine which products are installed on your system, please see the How to identify which ArcGIS products are installed section. Esri recommends that you install the patch for each product that is on your system.

1. Download the appropriate file to a location other than your ArcGIS installation location.
   
   

   ArcGIS 10.9.1
   ArcGIS Server	ArcGIS-1091-S-SP-Patch.msp
   Checksum      (SHA256)	72122B71319C196FC62981A49C779C092A1CC75A8A0B795962A792C5257399F1

   
   
2. Make sure you have write access to your ArcGIS installation location.
3. Double-click ArcGIS-1091-S-SP-Patch.msp to start the setup process.
   
   NOTE: If double clicking on the MSP file does not start the setup installation, you can start the setup installation manually by using the following command:
   
   
   msiexec.exe /p [location of Patch]\ArcGIS-1091-S-SP-Patch.msp

On Windows, ArcGIS Server 10.9.1 Setup Program Patch cannot be uninstalled, the usual Uninstall in the Windows Control Panel is disabled.

Check the Patches and Service Packs page periodically for the availability of additional patches. New information about this patch will be posted here.

To determine which ArcGIS products are installed, choose the appropriate version of the PatchFinder utility for your environment and run it from your local machine. PatchFinder will list all products, hot fixes, and patches installed on your local machine.

Domestic sites, please contact Esri Technical Support at 1-888-377-4575, if you have any difficulty installing this patch. International sites, please contact your local Esri software distributor.