2025年1月15日 · To resolve this problem, update the registry on each computer that participates in the Kerberos authentication process, including the client computers. We recommend that you update all of your Windows-based systems, especially if your users have to log on across multiple domains or forests.

2022年9月22日 · Have a look at this post which will create a report on token size of the selected object in the AD - https://nettools.net/token-size/ Gary. Please sign in to rate this answer.

2017年4月25日 · Are you trying to sign in or recover access to your Microsoft account? 1024 groups subscription limit is because of token bloating (maxtokensize limit of Kerberos Authentication in AD) ? Based on some blog post, a user can be a …

2014年5月19日 · What are the Causes for Token Bloat? Users Migration from one domain to other including SID History to preserve access to resources for the user. User added as member to many security groups and those groups are nested into other group memberships. How to Prevent Token Bloat?

Token Bloat occurs when you are a member of too many groups in Active Directory. At somewhere around 125 groups, your Kerberos token size reaches 64kb in size. That's the limit for a lot of things that use Kerberos authentication.

2021年9月23日 · In this article, we’ll show you how to determine the size of a Kerberos ticket for a specific user and increase the buffer to store the token using the MaxTokenSize parameter. In our case, the problem has shown itself in this way.

This problem (also referred to as “token bloat”) occurs when the client’s Kerberos ticket (generated during Kerberos authentication during Windows logon) is too big. More specifically, the problem occurs when the maximum size of the PAC (Privilege Account Certificate, an extension of the “Authorization Data” field in Kerberos) is ...

2016年7月2日 · Today, I wanted to briefly talk about Kerberos Token Bloat, a decade old system technical limitation based issue that continues to linger and distract Microsoft's business and government customers from substantially more important cyber security issues.

2023年5月16日 · Token bloat is an issue in which the number of SIDs that must be stored in a user's access token uses or exceeds the amount of space available in the token. Although token sizes can be increased to a limited extent, the ultimate solution to token bloat is to reduce the number of SIDs associated with user accounts, whether by rationalizing group ...

2014年5月27日 · The issue of Kerberos Token Bloat potentially impacts the security of every organization running on Active Directory, and thus is worth addressing. So, today, I was determined to take out some time and share a few thoughts with you on this topic.