Forum Discussion
Nikolas_Athanasakis
Jul 14, 2021Copper Contributor
Exchange Server error in '/owa' application
ASSERT: HMACProvider.GetCertificates:protectionCertificates.Length<1 Description: An unhandled exception occurred during the execution of the current web request. Please review the stack tr...
- Jul 14, 2021Ok i found solution. Use this to create new certificate https://docs.microsoft.com/en-us/exchange/troubleshoot/administration/cannot-access-owa-or-ecp-if-oauth-expired
And after creating the certificate you must wait like a hour or more for changes work. Restart dont change the wait time 🙂
Germn_Araujo
Apr 30, 2024Copper Contributor
Igual me funciono aplicar los comandos de la liga https://learn.microsoft.com/en-us/exchange/troubleshoot/administration/cannot-access-owa-or-ecp-if-oauth-expired