*** As of Dec. 29th, 2016 Microsoft has set the default RCA throttling parameters are already at or above the limits specified in the article.
For customers with over 1000 accounts, the customer can create a ticket with Microsoft Support to make Exchange Web Services (EWS) and MAPI with RPC over HTTP throttling changes. The following can be requested to be changed, which are not changed by default:
- EwsMaxConcurrency 30
- EwsMaxBurst Unlimited
- EwsRechargeRate Unlimited
- EwsCutoffBalance Unlimited
- EwsMaxSubscriptions 20
- RcaMaxConcurrency 40
- RcaMaxBurst 150000
- RcaRechargeRate 900000
- RcaCutoffBalance Unlimited
- CpaMaxConcurrency 20
- CpaMaxBurst Unlimited
- CpaRechargeRate Unlimited
- CpaCutoffBalance Unlimited
- MessageRateLimit 30
- RecipientRateLimit 10000
If problems arise during the running of the Office 365 Leavers process in Migration Manager for Email Archives, the following Remote PowerShell settings can also be raised:
- PowerShellMaxConcurrency 20
- PowerShellMaxBurst 900000
- PowerShellRechargeRate 2520000
- PowerShellCutoffBalance 3000000
- PowerShellMaxTenantConcurrency 100
- PowerShellMaxOperations 400
- PowerShellMaxCmdletsTimePeriod 5
- ExchangeMaxCmdlets 200
- PowerShellMaxCmdletQueueDepth 100
- PowerShellMaxDestructiveCmdlets 120
- PowerShellMaxDestructiveCmdletsTimePeriod 60
- PowerShellMaxCmdlets 400
- PowerShellMaxRunspaces 20
- PowerShellMaxTenantRunspaces 200
- PowerShellMaxRunspacesTimePeriod 60