https://community.esri.com/t5/arcgis-enterprise-questions/checksum-values-are-not-the-same/m-p/1120923#M31692 <P>I ran into this as well. The latest round of installers use the SHA-256 algorithm to generate the checksum.</P> Mon, 29 Nov 2021 18:52:50 GMT jcarlson 2021-11-29T18:52:50Z https://community.esri.com/t5/arcgis-enterprise-questions/checksum-values-are-not-the-same/m-p/1120918#M31691 <P>Hello.&nbsp; I just downloaded the Server, Portal, Web Adaptor and Data Store install files for our Enterprise upgrade going from 10.8.1 to 10.9.1.&nbsp; When I ran the checksum routine in Powershell (<A href="https://support.esri.com/en/technical-article/000020408" target="_blank">How To: How and when to use CheckSum (MD5) (esri.com)</A>), the values posted in the My Esri download page and the returned Hash values are not the same, not even close for each install file.&nbsp; 32 characters in length returned via MD5 vs 64 characters observed in the My Esri file download page.&nbsp; I used both Powershell and Powershell x86, same result.&nbsp; Advice?</P> Mon, 29 Nov 2021 18:48:47 GMT https://community.esri.com/t5/arcgis-enterprise-questions/checksum-values-are-not-the-same/m-p/1120918#M31691 JayHodny 2021-11-29T18:48:47Z https://community.esri.com/t5/arcgis-enterprise-questions/checksum-values-are-not-the-same/m-p/1120923#M31692 <P>I ran into this as well. The latest round of installers use the SHA-256 algorithm to generate the checksum.</P> Mon, 29 Nov 2021 18:52:50 GMT https://community.esri.com/t5/arcgis-enterprise-questions/checksum-values-are-not-the-same/m-p/1120923#M31692 jcarlson 2021-11-29T18:52:50Z https://community.esri.com/t5/arcgis-enterprise-questions/checksum-values-are-not-the-same/m-p/1120928#M31693 <P>I switched to SHA256 and the checksums validated.&nbsp; Many thanks!</P> Mon, 29 Nov 2021 19:01:24 GMT https://community.esri.com/t5/arcgis-enterprise-questions/checksum-values-are-not-the-same/m-p/1120928#M31693 JayHodny 2021-11-29T19:01:24Z