# SDKERR\_INTERNAL\_ERROR when attempting to Authorize the sdk **URL:** \ **Category:** Windows\ **Created:** [July 2, 2021, 5:03pm UTC](https://devforum.zoom.us/t/sdkerr-internal-error-when-attempting-to-authorize-the-sdk/53516 "2021-07-02T17:03:23Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![damien2](https://avatars.discourse-cdn.com/v4/letter/d/898d66/32.png) [@damien2](https://devforum.zoom.us/u/damien2)\ **Post date:** [July 2, 2021, 5:03pm UTC](https://devforum.zoom.us/t/sdkerr-internal-error-when-attempting-to-authorize-the-sdk/53516/1 "2021-07-02T17:03:23Z")
**Description** We have a customer who is getting an error 15 from SDKAuth in the Windows sdk. Wondering what may cause such an error as this customer has other systems that are working. They have also verified the account and Desktop client work on the same machine. **Which Windows Client SDK version?** 4.6.21666.0427 ---
**Author:** ![Michael\_Condon](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/michael_condon/32/13543_2.png) [@Michael\_Condon](https://devforum.zoom.us/u/Michael_Condon)\ **Post date:** [July 2, 2021, 7:53pm UTC](https://devforum.zoom.us/t/sdkerr-internal-error-when-attempting-to-authorize-the-sdk/53516/2 "2021-07-02T19:53:26Z")
Hey @damien2, Thanks for using the dev forum! The version you are using is no longer supported, please update to the latest version and try authing again. Thanks! Michael ---
**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\ **Post date:** [August 2, 2021, 5:53am UTC](https://devforum.zoom.us/t/sdkerr-internal-error-when-attempting-to-authorize-the-sdk/53516/3 "2021-08-02T05:53:52Z")
Closed on August 2, 2021, 5:53am UTC This topic was automatically closed 30 days after the last reply. New replies are no longer allowed.