https://community.esri.com/t5/arcgis-enterprise-questions/enterprise-datastore-configuration-error-lt/m-p/1111591#M31406 <P>I am configuring Datastore for my deployment and I am facing an unfamiliar error.........(</P><PRE><FONT color="red"> &lt;authentication mode="Windows" /&gt;</FONT></PRE><P>An image of the error is attached to this post.<BR />Any assistance please?&nbsp;</P> Wed, 27 Oct 2021 12:36:42 GMT JoelKyereNNimarko 2021-10-27T12:36:42Z https://community.esri.com/t5/arcgis-enterprise-questions/enterprise-datastore-configuration-error-lt/m-p/1111591#M31406 <P>I am configuring Datastore for my deployment and I am facing an unfamiliar error.........(</P><PRE><FONT color="red"> &lt;authentication mode="Windows" /&gt;</FONT></PRE><P>An image of the error is attached to this post.<BR />Any assistance please?&nbsp;</P> Wed, 27 Oct 2021 12:36:42 GMT https://community.esri.com/t5/arcgis-enterprise-questions/enterprise-datastore-configuration-error-lt/m-p/1111591#M31406 JoelKyereNNimarko 2021-10-27T12:36:42Z https://community.esri.com/t5/arcgis-enterprise-questions/enterprise-datastore-configuration-error-lt/m-p/1111623#M31408 <P>Hi <a href="https://community.esri.com/t5/user/viewprofilepage/user-id/446055">@JoelKyereNNimarko</a>, in IIS your IWA Integrated windows authentication is turned on on the arcgis webadaptor&nbsp; this should just be turned on for portal webadpator if you just have the one you should install another one as this is best practice currently.<BR /><BR /></P><P>go to the webadpator in iis click on authentication and turn on anonymous authentication and turn off windows authentication&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="HenryLindemann_1-1635343332692.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/26283i36782678A647AAF1/image-size/medium?v=v2&amp;px=400" role="button" title="HenryLindemann_1-1635343332692.png" alt="HenryLindemann_1-1635343332692.png" /></span><BR /><BR /></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="HenryLindemann_2-1635343362863.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/26284i24D3081F91F699C1/image-size/medium?v=v2&amp;px=400" role="button" title="HenryLindemann_2-1635343362863.png" alt="HenryLindemann_2-1635343362863.png" /></span></P><P>&nbsp;</P><P>Hope it helps</P><P>Regards Henry</P><P>&nbsp;</P> Wed, 27 Oct 2021 14:04:59 GMT https://community.esri.com/t5/arcgis-enterprise-questions/enterprise-datastore-configuration-error-lt/m-p/1111623#M31408 HenryLindemann 2021-10-27T14:04:59Z