mail prompting password again n again

[Gajendra_Jangid]

Hii Team,

we have recently migrated from local exchange to o365, but everyday we are facing same issue of mail disconnect and password prompt in firewall location.

[#2]

i know that we need to whitelist some urls at firewall. but please suggest us once.

[#3]

@Gajendra_Jangid 

Refer to this if you are in hybrid mode:

Hybrid deployment prerequisites | Microsoft Learn